List of Teenage Mutant Ninja Turtles (2003 TV series) episodes

This is the list of the existing episodes of the 2003 Teenage Mutant Ninja Turtles series, by season and year.

Season One: 2003

#	Title	Original airdate	TV Broadcast
1	"Things Change"	February 8, 2003	S01E01
In the midst of an intense training session with Master Splinter, the Teenage Mutant Ninja Turtles are attacked by Mouser robots, which tear asunder their underground New York City home and separate them from their sensei. With their lair destroyed, the Turtles must search for their Master and find a new home.
2	"A Better Mousetrap"	February 15, 2003	S01E02
After the Turtles settle into their new lair, they discover the source of their Mouser problem: Stocktronics founder and CEO, Dr. Baxter Stockman. Donatello repairs a disabled Mouser and the Turtles track it through the sewers, where coincidentally they stumble upon April O'Neil, a young apprentice fleeing the wrath of Dr. Stockman.
3	"Attack of the Mousers"	February 22, 2003	S01E03
After fainting from their initial encounter, April O'Neil wakes up in the Turtles' lair. It is here April learns of the Turtles' origin, and they all agree that Baxter Stockman and his rampaging Mousers must be stopped.
4	"Meet Casey Jones"	March 1, 2003	S01E04
During a sparring session, Raphael lets his anger get the best of him and almost hurts Michelangelo seriously. He decides to go "topside" to cool off and meets someone filled with more anger than him: a streetwise vigilante named Casey Jones.
5	"Nano"	March 8, 2003	S01E05
A small-time thief goes on a crime spree when he stumbles upon a form of artificial intelligence made up of nanotechnology. When the crook and his ward reach April O'Neil's new antique shop, "2nd Time Around," they face off against Casey and the Turtles.
6	"Darkness on the Edge of Town"	March 15, 2003	S01E06
After a blackout knocks out the lights in the lair, the Turtles go topside to investigate. Once above ground, the Turtles encounter the mysterious Foot Clan gathering artifacts from around the city.
7	"The Way of Invisibility"	March 22, 2003	S01E07
Casey Jones becomes an unwanted houseguest in the Turtles' lair, so Raphael takes him topside to get some much needed air. During a routine skirmish with a street gang known as the Purple Dragons, Raph and Casey encounter the Foot Tech Ninja, whose cyber armor enhances their strength and speed while giving them invisibility. Raphael is kidnapped and then interrogated by Hun, while Casey escapes to get help.
8	"Fallen Angel"	March 29, 2003	S01E08
Angel, a girl Casey knows from the neighborhood, is going through her initiation to join the Purple Dragons. Casey fears her going down the wrong path and tries to stop her from joining the gang with the help of the Turtles.
9	"Garbageman"	April 5, 2003	S01E09
When homeless people start to disappear mysteriously, the Turtles set out to investigate. Their search leads them to a garbage-filled island where the homeless are being used as slaves by the villainous Garbageman.
10	"The Shredder Strikes, Part 1"	April 12, 2003	S01E10
Leonardo meets a mysterious man named Oroku Saki, who appears to be the leader of the Foot Clan; despite previous skirmishes with the Foot, Leo is offered a truce and a chance to fight against a "greater evil." Almost taken in by the offer, Leo's brothers encourage him to consult Master Splinter. They soon learn the true nature of the Foot and the significance of their emblem.
11	"The Shredder Strikes, Part 2"	April 19, 2003	S01E11
Oroku Saki reveals himself as the Shredder and exclaims, "Those who are not with me are against me, and I crush anyone who stands against me!" The Turtles soon find themselves outmatched and make a hasty retreat. Concurrently, Master Splinter searches for his sons and prepares a counteroffensive.
12	"The Unconvincing Turtle Titan"	May 3, 2003	S01E12
Michelangelo yearns to use his fighting abilities to help others in the city, leading him to create his alter ego: Turtle Titan. While attempting to team-up with his superhero inspiration, Silver Sentry, Mikey must battle his hero's arch-nemesis, Dr. Malignus.
13	"Notes from the Underground, Part 1"	May 10, 2003	S01E13
While Donatello examines a pair of mysterious crystals, the lair's perimeter alarm is triggered after the crystals begin to glow. The Turtles investigate and find tracks indicating the presence of some unknown creature. These tracks lead them deep underground where they uncover an abandoned Foot Genetics Lab.
14	"Notes from the Underground, Part 2"	May 17, 2003	S01E14
Inside the Foot Genetics Lab, the Turtles learn of past experiments that turned human subjects into monsters. The brothers soon encounter a group of these creatures who are at first hostile, but eventually become allies. The Turtles now find themselves helping these creatures evade the attacks of similar, but mindless monsters. This new partnership takes the Turtles deeper into the seemingly haunted catacombs, where creatures, and now Donatello, have disappeared.
15	"Notes from the Underground, Part 3"	May 24, 2003	S01E15
The source of the mysterious crystals found in the lair appears to be an ancient subterranean city. This site is also the location where Donatello and the Turtles' monster allies disappear. The city is inhabited by the sole survivor of an ancient race; although he claims wanting to return the creatures to their original form, his true intentions remain unknown.
16	"The King"	May 31, 2003	S01E16
With the Foot scouring the sewers, the Turtles move in with April. When the water heater breaks down, Donatello goes down to the basement to fix it. Here Don meets April's tenant, Kirby, an artist whose mysterious power opens an adventure to another dimension.
17	"The Shredder Strikes Back, Part 1"	June 7, 2003	S01E17
During an early morning training run, Leonardo encounters a legion of Foot Ninja and Hun. A thunderstorm develops not long before Leo encounters a new foe, the Foot Elite. As he becomes overwhelmed, Leo witnesses the return of an unexpected enemy: the Shredder.
18	"The Shredder Strikes Back, Part 2"	June 14, 2003	S01E18
After being thrown through a window into April's apartment, Leonardo lies unconscious while his brothers and Master Splinter defend against waves of attacking Foot Ninja. Desiring revenge, the Shredder seeks to destroy the Turtles and their allies at any cost.
19	"Tales of Leo"	September 13, 2003	S01E19
After barely escaping the Shredder's attack, the Turtles, Splinter, Casey and April head to the old farmhouse of Casey's grandmother. As Leonardo lies unconscious, each member of his family tells Leo a tale of his early adventures, hoping their voices will rouse him back to consciousness.
20	"The Monster Hunter"	September 20, 2003	S01E20
Still recuperating at the old farmhouse, the Turtles try to keep themselves busy. Raphael helps Leonardo forge new katana blades while Michelangelo, Donatello and Casey deal with the overzealous Abigail Finn, who hopes to catch the legendary "Green Man of the Woods."
21	"Return to New York, Part 1"	September 27, 2003	S01E21
Thinking he has destroyed his enemies, the Shredder is not prepared for a surprise attack on his headquarters by the Turtles and Splinter. With April providing computer intel at the lair, the Turtles work their way up to the Shredder, floor by floor.
22	"Return to New York, Part 2"	October 4, 2003	S01E22
Continuing their assault, the Turtles and Splinter encounter mutant clones in a Foot Genetics Lab and a near indomitable foe, the Foot Mystic Ninjas. The Turtles finally make it to the Shredder's throne room, but they are interrupted by an exosuit-clad Baxter Stockman, who hopes to get revenge on both the Shredder and the Turtles.
23	"Return to New York, Part 3"	October 11, 2003	S01E23
With Baxter Stockman causing a problem for everyone, the Turtles work with the Shredder to stop him. Just as soon as Stockman is out of the way, the Turtles enter into a rooftop battle. With help from a mysterious group of warriors known as the Guardians, the Turtles enter into what looks to be a fight to the finish against the Shredder.
24	"Lone Raph and Cub"	October 18, 2003	S01E24
With the Shredder defeated, his headquarters destroyed, and the Foot in disarray, the Turtles turn to a new problem: Master Splinter is missing. Angry and confused, Raphael impatiently heads out to find his sensei only to be thrust into a solo adventure helping a headstrong kid, Tyler, against ruthless mobsters.
25	"The Search for Splinter, Part 1"	October 25, 2003	S01E25
After a frustrating and exhaustive search for Splinter, the Turtles' suspicions turn towards the Guardians. This suspicion leads them to an austere building with the company name TCRI—the same name on the canister of ooze responsible for their mutation. Following their only lead, the Turtles enlist April and Casey to help them get inside.
26	"The Search for Splinter, Part 2"	November 1, 2003	S01E26
The Turtles manage to infiltrate the TCRI building, discovering there is more to the employees and to the building itself than meets the eye. They manage to find an unconscious Splinter in a stasis tank, but soon find themselves transported to a place unknown.

Season Two: 2003-2004

#	Title	Original airdate	TV Broadcast
27	"Turtles in Space, Part 1: The Fugitoid"	November 8 2003	S02E01
The Turtles are teleported to the planet D'Hoonnib, and almost immediately jump to the aid of a besieged robot called the Fugitoid. The Turtles soon learn the Fugitoid's name is Professor Honeycutt, a scientist trapped in a robot's body. Honeycutt is the target of the scheming General Blanque who wants Honeycutt to create a teleportal device so the Federation can conquer the galaxy. With the Federation in pursuit, the Turtles and Honeycutt are on the lam.
28	"Turtles in Space, Part 2: The Trouble with Triceratons"	November 15 2003	S02E02
As they continue evasion, the Turtles and Professor Honeycutt decide to consult smugglers to get off D'Hoonnib. Despite their efforts to remain undercover, the Turtles soon find out that the Federation is not the only group targeting Professor Honeycutt. A dinosaur-like species, known as the Triceratons, enter the equation and apprehend the Fugitoid. Seeing Professor Honeycutt as their only hope for returning to Earth, the Turtles pursue the Triceratons to a scout ship camouflaged as a bunker.
29	"Turtles in Space, Part 3: The Big House"	November 22 2003	S02E03
With the Fugitoid in tow, the Triceraton scout ship returns to the Triceraton Homeworld via Tribase One. The Fugitoid is brought before the leader of the Triceratons, Prime Leader Zanramon, and demands are made for Professor Honeycutt to constrcut a teleportal device else the Turtles will be executed. Meanwhile, the Turtles are incarcerated at a Triceraton prison where they soon devise a plan of escape.
30	"Turtles in Space, Part 4: The Arena"	November 29 2003	S02E04
The Turtles escape from the Triceraton prison is thwarted and they are entered into the Games by Prime Leader Zanramon. Their entrance is part of an attempt to coerce Professor Honeycutt into building his teleportal device. When the Turtles win their match, they are imprisoned again as slaves where they befriend a Triceraton prisoner, Traximus, and they renew each others' hopes of freedom.
31	"Turtles in Space Part 5: Triceraton Wars"	December 6 2003	S02E05
The Turtles manage to take Prime Leader Zanramon hostage and convince the Fugitoid to build his teleportal device so they can return to Earth. Professor Honeycutt agrees, provided the Turtles destroy him if they are captured. Using the Prime Leader's personal space cruiser, the Turtles and the Fugitoid escape to a planetoid in the Egarom sector with the warring Triceraton Republic and Federation in full pursuit.
32	"Secret Origins, Part 1"	January 17 2004	S02E06
The Turtles are teleported back to Earth with Professor Honeycutt by the Utroms and they're reunited with Master Splinter. The Utroms take the Turtles and Splinter to the oracle pod chamber, a virtual reality simulation that chronicles historical events. Inside the chamber, the Turtles are transported to feudal era Japan where they learn of the Utroms crash-landing on Earth. It is here, they encounter an early incarnation of the Foot Clan led by a look-alike of the Shredder.
33	"Secret Origins, Part 2"	January 24 2004	S02E07
After Baxter Stockman infiltrates the TCRI building and sabotages the oracle pod chamber, the Turtles and Splinter become trapped in virtual reality as it turns to a physical reality. No longer holographic projections, the Turtles must battle the feudal era Shredder and his Foot Ninja while pursuing the Guardians so they can find a way out the simulation.
34	"Secret Origins, Part 3"	January 31 2004	S02E08
The Turtles and Splinter activate the internal fail safe of the oracle pod chamber only to find the TCRI building besieged by multiple enemies. The National Guard stands outside the building trying to get in while the Shredder leads an attack with the Foot at the heart of the Utrom's base. The Turtles and Splinter help the Utroms evacuate and escape the Shredder's wrath, and they soon learn of the Shredder's true form.
35	"The Ultimate Ninja"	February 7 2004	S02E09
The Turtles, Splinter, Casey and April relax in the lair for a movie night. However, during an ice cream run, Leonardo is challenged to a gyoji-refereed duel by a headstrong young ninja from another dimension. The challenge comes in a tradition unfamiliar to Leonardo, but worriesomely familiar to Master Splinter.
36	"Reflections"	February 14 2004	S02E10
The gang return to the farmhouse in Northampton to rest and recuperate. Taking a retrospective look at the recent events, they discuss their encounters with the Shredder as well as the discovery of his true form—a centuries-old criminal Utrom. However, despite his maliciousness, the Turtles and their sensei come to the realization that the Shredder also played an instrumental role in their own origins.
37	"Modern Love: The Return of Nano"	February 21 2004	S02E11
Nano, the nanorobot who met his demise in the junyard, reawakens and reassembles. With a newfound motivation to create a family, Nano breaks his "father," Harry Parker, out of Rikers Island and kidnaps his "mother," Dr. Richards, from her laboratory. When his "family" doesn't turn out as he hoped, Nano begins to wreak havoc on Coney Island, where April and Casey happen to be on a "not-a-date."
38	"What a Croc!"	February 28 2004	S02E12
Michelangelo helps Donatello by exploring the underwater access way beneath the lair. Here he encounters Leatherhead, a mutant crocodile torn between two personalities: a peaceful inventor and a vicious animal. The Turtles go with Leatherhead to his sewer home and encounter an old foe with whom Leatherhead has teamed up.
39	"Return to the Underground"	March 6 2004	S02E13
Determined to find a cure for his genetically mutated friends, Donatello and his brothers return to the subterranean city. Unfortunately, when the Turtles return, they find their friends have reverted back to monsters and the Crystal Moon is missing.
40	"City at War, Part 1"	March 13 2004	S02E14
With the Shredder gone, the Foot Clan, the Purple Dragons, and the mob struggle to control New York City, quickly turning the streets into a dangerous turf war. Feeling the onus of the chaos in the streets, Leonardo sets out to quell the situation while Raphael argues that it's not their fight.
41	"City at War, Part 2"	March 20 2004	S02E15
The Turtles become embroiled in the turf war as they face off against the Foot, headed by the Elite Guard, while a mob=funded attack robot created by Baxter Stockman and the Purple Dragons, led by Hun, besiege the Foot's rundown headquarters. To make matters more complicated, a ninja from Japan named Karai enters the fray, though her intentions are ambiguous. At her mercy, the Turtles have no choice but to bargain with her.
42	"City at War, Part 3"	March 27 2004	S02E16
Karai introduces herself as the Shredder's adopted daughter and leader of the Foot operations in Japan. She promises the Turtles that the Foot Clan will leave them in peace if they help her assume the Shredder's role to stop the raging turf war. Raphael refuses to help, but his brothers and Casey go along with the plan.
43	"Junklantis"	April 3 2004	S02E17
With the underwater access way complete, Donatello and Michelangelo explore the Hudson River in the newly christened Shell Sub. They soon come across an underwater fortress, which Mikey dubs Junklantis. It is of little surprise that the inhabitants of this facility are responsible for the freighters disappearing in New York Harbor. However, it is a surprise to see this facility is run by the egomaniacal Garbageman.
44	"The Golden Puck"	April 10 2004	S02E18
Casey takes the Turtles to see a game of his favorite sport, Super Slam Hockey. When parahawks piloted by Texan roughnecks swoop down and steal the sport's championship prize, the Golden Puck, Casey will stop at nothing to recover it. With the help of the Turtles, Casey takes on the roughnecks and their employer, Mr. Arboost.
45	"Rogue in the House, Part 1"	April 17 2004	S02E19
Somehow, the Shredder survived their last encounter and seeks revenge on the Turtles. When the Shredder learns much of the Foot has been killed during the recent turf war, Hun introduces Saki to their new army of Foot Mechs. With their army almost complete, the Foot sends a mech to find and destroy the Turtles. When this Foot Mech attacks his family, Splinter devises a counterattack with the aid of a powerful warrior in a tricky alliance.
46	"Rogue in the House, Part 2"	April 24 2004	S02E20
Leonardo, Raphael and Splinter are held captive on the Shredder's freighter and Karai is forced to make a choice—honor her promise to the Turtles or obey her master. Meanwhile, Donatello attempts to destroy the Shredder's new headquarters, while Michelangelo and Zog find themselves fighting against the Shredder's Foot Ninja.
47	"April's Artifact"	May 1, 2004	S02E21
As the Turtles and Casey help April prepare her antique shop for reopening, April stumbles on a puzzle cube that used to belong to her Uncle Augie. As she cleans the artifact off, the cube begins to glow bright and transports April and the Turtles to an alternate dimension. Traveling through a tropical environment, they must evade large hornets and find their way home.
48	"Return of the Justice Force"	May 8, 2004	S02E22
When Splinter encourages his sons to leave the lair so he can meditate, the Turtles and Casey take the opportunity to go on a road trip to Northampton. In a trip spurred on by Michelangelo's desire to find a missing issue of the Justice Force, they gang find themselves in an adventure with the real-life Justice Force.
49	"The Big Brawl, Part 1"	May 15, 2004	S02E23
As he does every three years, Master Splinter mysteriously goes off and leaves his sons for a few days. This time, however, curiosity sets in and the Turtles follow him through an interdimensional gateway, ending up in a nexus between dimensions, where the multiverse's greatest warriors meet to duel each other in tournaments. Despite his discontent, Master Splinter hesitantly allows his sons to enter the competition.
50	"The Big Brawl, Part 2"	September 18 2004	S02E24
In the Battle Nexus, the Turtles fight other warriors from different dimensions in an attempt to become the Battle Nexus Champion. Leonardo teams up with the anthropomorphic rabbit ronin, Miyamoto Usagi, to fight off would-be assassins.
51	"The Big Brawl, Part 3"	September 25 2004	S02E25
Master Splinter is framed for attempting to kill the Ultimate Daimyo and is imprisoned while Raphael and Michelangelo find themselves pitted against each other in the Battle Nexus Tournament. Meanwhile, Leonardo falls into a coma after being struck by a poisonous dart, and Donatello and Usagi must defend Leo and a gravely wounded Daimyo from more assassins.
52	"The Big Brawl, Part 4"	October 2 2004	S02E26
Michelangelo reaches the finals and faces off against Kluh to become the Battle Nexus Champion. Concurrently, Donatello and Usagi continue to defend the Daimyo and Leonardo against assassins while Raphael and Traximus attempt to free the imprisoned Master Splinter. The recent swirl of events have all been orchestrated by the Daimyo's son, the Ultimate Ninja, and a vengeful dragon named Drako who seek control of the Daimyo's warstaff.

Season Three: 2004-2005

#	Title	Original airdate	TV Broadcast
53	"Space Invaders, Part 1"	October 9 2004	S03E01
The Earth comes under attack when the Triceratons mount a surprise invasion. Following an energy trail from the transmat device, Prime Leader Zanramon is convinced Professor Honeycutt resides on the planet and send his forces to apprehend all people thought to have been in contact with the Fugitoid. The Turtles do their best to evade capture, but must come to the rescue of April and Casey when the two are taken captive.
54	"Space Invaders, Part 2"	October 16 2004	S03E02
The Turtles are successful in saving April and Casey, but soon lose Donatello, who is captured and taken to the Triceraton homeworld. Prime Leader Zanramon questions Donatello concerning the whereabouts of the Fugitoid, but Don insists the Fugitoid is no longer on Earth. The Triceraton leader continues to wreak havoc on Earth, levitating the city of Beijing into the stratosphere. Meanwhile, Don's brothers infiltrate the Triceraton homeworld, but soon find themselves surrounded by a cadre of Triceratons in the homeworld sewers.
55	"Space Invaders, Part 3"	October 23 2004	S03E03
Leonardo, Raphael, and Michelangelo form an alliance with a group of rebellious Triceratons led by Traximus. The rebel leader wishes to overthrow Prime Leader Zanramon and reinstitute the representative government of the Triceraton Republic. With the rebel group, the Turtles seek to secure their brother, Donatello, and sabotage the Prime Leader's attack on Earth.
56	"Worlds Collide, Part 1"	October 30 2004	S03E04
Despite convincing the Triceratons that the Fugitoid has in fact left Earth, the Turtles are dismayed to find that the Fugitoid has returned. Having erased any information on the Teleportal from his hard drive, he attempts to offer himself up to the Triceratons to encourage them to end their war against the D'Hoonib Republic. But the Turtles refuse to let their friend be captured.
57	"Worlds Collide, Part 2"	November 6 2004	S03E05
The Turtles and Professor Honeycutt are captured by the enigmatic Agent Bishop. Turning the Fugitoid over to General Blanque of D'Hoonib, Bishop performs medical experiments on the Turtles, which threaten to result in their deaths.
58	"Worlds Collide, Part 3"	November 13 2004	S03E06
Splinter, April and Casey rescue the Turtles and Leatherhead from Agent Bishop's clutches, and they all set off to find the Fugitoid. Meanwhile, Traximus and his rebel group attack the Triceraton Prime Leader, and the Fugitoid struggles to end the war between the Triceratons and the D'Hoonib Federation.
59	"Touch and Go"	November 20 2004	S03E07
Raphael seeks shelter and learns a lesson in empathy when an angry mob looking for aliens chases him through the New York City alleys. Meanwhile, Master Splinter and Michelangelo must fight two hired assassins possessing super-strength and super-speed abilities.
60	"Hunted"	November 27 2004	S03E08
A big game hunter searches the sewers, seeking a giant crocodile rumoured to live in them. He runs into an emotionally unstable Leatherhead, who has been living in the Turtles' lair.
61	"H.A.T.E."	December 4 2004	S03E09
The gang is relaxing in the countryside when their peace is shattered by some violent, alien-hating survivalists. Raphael and Donatello try to put a stop to them--and deal with an atomic bomb--while April's and Casey's relationship is put at risk by the arrival of Casey's overprotective mother.
62	"Nobody's Fool"	December 11 2004	S03E10
Leonardo and Michalangalo meet up with caped crusader Nobody and attempt to help him out...well Mikey does anyway.
63	"New Blood"	January 22 2005	S03E11
The Turtles explore a crashed Triceraton ship that was left in the Hudson River after the alien invasion. Here they encounter three "Karaibots"--dangerous robots designed by Baxter Stockman's overly enthusiastic young apprentice, Dr. Chaplin.
64	"The Lesson"	December 18 2004	S03E12
April asks the Turtles to teach her martial arts, and they refuse, knowing they could do more harm than good by training her without sufficient expertise. They tell her about the last time they tried to train a preteen boy, back when the Turtles themselves were much younger.
65	"The Christmas Aliens"	December 25 2004	S03E13
In a solo adventure, Michelangelo attempts to thwart the Purple Dragons in their attempt to steal a truck full of toys meant to be delivered to an orphanage for Christmas. He also comes across a stray kitten, which he takes under his wing and names him Klunk. At the lair, Mikey's brothers and Master Splinter plan a huge feast and invite all their friends.
66	"The Darkness Within"	January 29 2005	S03E14
Angel asks the Turtles to help her find her brother, who went missing after exploring some tunnels under an old mansion. The Turtles venture in and encounter a disturbing centuries-old monster, which captures them and forces each Turtle to confront his greatest fear.
67	"Mission of Gravity"	February 5 2005	S03E15
The Turtles are overjoyed to encounter an old friend whom they thought was dead, and they all set out to lower the floating city of Beijing back to the Earth's surface. Going against her father's wishes, Karai secretly tries to help the Turtles, while, Baxter Stockman, whose technological skills are at risk of being usurped, tries to get rid of Dr. Chaplin.
68	"The Entity Below"	February 6 2005	S03E16
To Michelangelo's chagrin, the Turtles must venture back down to the underground city to investigate, after Donatello's crystals start glowing at the same time that massive earthquakes shake the world. But none of them are prepared for what they are about to learn about the Earth's history.
69	"Time Travails"	February 7 2005	S03E17
The Turtles become involved in a time hoping adventure with the apprentice timestress Renet to foil the plans of the evil Savanti as he tries to escape his exile to the dark ages.
70	"Hun on the Run"	February 8 2005	S03E18
There's no honour among thieves, as Hun is on a quest to rescue an enemy from a nemesis they both share...but the turtles are soon dragged into this private war, it ain't going to be pretty!
71	"Reality Check"	March 5 2005	S03E19
The Ultimate Daimyo's son and Drako, merged into one entity, arrive in the Turtles' lair with Lord Simultaneous's Time Scepter. Seeking vengeance, the monster teleports each Turtle, and Splinter, to a different dimension. Michelangelo finds himself in a dream come true--a world where the Teenage Mutant Ninja Turtles are superheroes with amazing powers. His joy is ended abruptly, however, when he finds out who the Superturtles' archenemy is.
72	"Across the Universe"	March 12 2005	S03E20
Raphael arrives in a dimension where different alien species race huge motorcycles in high-stake competitions. Raph joins in, and tries to teach his companions how to race honorably. This crossover episode is based on Peter Laird's and Jim Lawson's real-life comic series, "Planet Racers."
73	"Same As It Never Was"	March 17 2005	S03E21
Donatello is thrown into a grim, dystopian future, where the Shredder exercises totalitarian control. Don must find his emotionally hardened family and friends, who believe he has been dead for thirty years, to plan a final attack on the Shredder's headquarters.
74	"The Real World, Part 1"	March 26 2005	S03E22
Leonardo finds himself in a feudal Japan-like dimension where he encounters anthropomorphic samurai animals, including his old friend, Usagi. This crossover episode is based on Stan Sakai's real-life comic series, "Usagi Yojimbo."
75	"The Real World, Part 2"	April 2 2005	S03E23
Leonardo, hoping to find his family, travels with Usagi to the Battle Nexus to get help from the Daimyo.
76	"Bishop's Gambit"	April 9 2005	S03E24
Agent Bishop captures Master Splinter to extract some of his mutant rat DNA. The Turtles, Professor Honeycutt, and Leatherhead invade Bishop's laboratory and discover just how frightening Bishop's plans for the world are.
77	"Exodus, Part 1"	April 16 2005	S03E25
The Shredder prepares to leave the Earth and spread his plans of conquest and mass murder to other planets. As the citizens of New York City celebrate Oroku Saki's monetary aid in repairing the city after the Triceraton invasion, the Turtles and their allies decide they must sneak into the Shredder's headquarters and stop him from leaving Earth at all costs.
78	"Exodus, Part 2"	April 23 2005	S03E26
After a crushing defeat at the Shredder's hands, the Turtles and Splinter, on board the Shredder's starship, must make some difficult decisions in order to stop their hated enemy.

Season Four: 2005-2006

#	Title	Original airdate	TV Broadcast
79	"Cousin Sid"	September 10 2005	S04E01
With their bodies bruised and their spirits wounded, the gang returns to the countryside to heal. Unfortunately, their recuperation is interrupted when Casey's cousin, Sid, shows up demanding money, which he needs to repay a debt to the Purple Dragons.
80	"The People's Choice"	September 17 2005	S04E02
The Turtles go on a camping trip in the forest and explore an abandoned sawmill. Their sojourn is interrupted by an extraterrestrial mech that crashes into the nearby lake. The Turtles meet an alien, Jhanna, who is nominated to fight the corrupt Moriah in fair combat. When Moriah arrives on Earth, bringing with her an unfair advantage, the Turtles rush to Jhanna's aid. Meanwhile at the farm, Casey struggles to express his true feelings for April.
81	"Sons of the Silent Age"	October 1 2005	S04E03
Still recovering in the countryside, the Turtles, April and Casey take a raft down the Connecticut River. April confronts Leonardo about his newfound ire and brooding attitude. As Leo expresses his resentment and shame from his last encounter with the Shredder, they are interrupted by a fish-like humanoid creature covered in radiation burns from a nearby nuclear power plant.Which possesses April's body and tells her of her past.
82	"Dragon's Brew"	October 8 2005	S04E04
Hun returns to the Purple Dragons and heads a campaign hijacking weapons shipments. Leonardo's newfound fury leads him to recruit Casey to put a stop to these thefts; however, when the two confront the Purple Dragons after a train hijacking, they encounter a foe that is a danger to all of them.
83	"I, Monster"	October 15 2005	S04E05
The Turtles and Casey take their training to an abandoned brickworks and practice stealth in a game of hide and seek. Their training is soon interrupted by an enigmatic figure bandaged from head to toe. The man, who seems to have a special relationship with rats, attacks the team viciously and captures Michelangelo. Leonardo rambunctiously retaliates, to the chagrin of his brothers and Casey. Unbeknownst to them, the Turtles have played a large role in this stranger's dark past.
84	"Grudge Match"	2005-10-22	S04E06
Michelangelo is challenged by his a former Battle Nexus rival, Kluh, who feels that an interference during their final match gave Mikey an unfair opportunity to win. Considering the fluke-like nature of his victory, Mikey consults Leonardo to train him. Despite his claims of unfairness, Kluh's father places a spell on the Battle Nexus to ensure that the rematch is a fight to the death.
85	"A Wing and a Prayer"	September 25 2005	S04E07
During a nighttime training exercise on the rooftops of New York City, the Turtles are interrupted by two warring Avians, a race whose appearance resembles angels. The Turtles come to the aid of Raptarr, who is trying to stop the exiled Mephos from starting a civil war in the Avian city and conquering the Earth.
86	"Bad Day"	November 5 2005	S04E08
During a meditation session, Master Splinter's sudden collapse is the first of a nightmarish chain of events, which force the Turtles to face death, destruction, and tragedy. Matters become worse as they come face-to-face with their most contentious foes, who, forming an alliance, seek to break the Turtles' spirits.
87	"Aliens Among Us"	November 12 2005	S04E09
When the president threatens to cut the funding of the Earth Protection Force, Agent Bishop engineers an alien invasion to attack the president during a press conference before a meeting at the United Nations.
88	"Dragons Rising"	November 19 2005	S04E10
As Hun expands the Purple Dragons' power via illicit arms trades, the Turtles and Casey Jones seek to stop him yet again. Leonardo continues to unduly press his brothers while Casey seeks revenge on Hun for causing a tragic event during his childhood.
89	"Still Nobody"	November 26 2005	S04E11
Nobody returns and reaches out to the Turtles to help him stop his foe, Ruffington, and the Purple Dragons from selling weapons to a violent street gang, the Turks.
90	"All Hallows Thieves"	October 29 2005	S04E12
The Turtles are preparing to celebrate Halloween—one of the few times in the year where they can be seen in public. When costumed thieves steal a statue from April's antique shop, the Turtles put aside their jack-o'-lanterns and pursue them. This theft is part of a bigger plan by a sorcerer, the King of Thieves, who plans to use the statue to unleash a legion of minions on the city. When the Turtles come to disrupt his plans, the sorcerer summons the Thievery God, bringing the statue to life; it then sets out to destroy the Turtles.
91	"Samurai Tourist"	December 3 2005	S04E13
Master Splinter invites Miyamoto Usagi—and the irresponsible, sloppy Murakami Gennosuke—from their dimension to Earth in the hopes that Usagi can speak to Leonardo about his wayward attitude. When Gen wanders off to explore downtown Manhattan, the Turtles, Usagi and Casey set out to find him. Their search becomes complicated when an assassin, sent after Leonardo by Lord Hebi, follows Gen and Usagi to Earth.
92	"The Ancient One"	December 10 2005	S04E14
When Leonardo's anger causes him to injure Splinter, he seeks redemption by travelling to Japan. There, he begins a quest to find the Ancient One, who once trained Splinter's sensei, Hamato Yoshi.
93	"Scion of the Shredder"	February 4 2006	S04E15
With Leonardo gone, Splinter, Raphael, Donatello and Michelangelo witness the return of the Shredder. They are plunged into the fight of their lives as they ward off volleys of Foot Ninja and Foot Mechs that lay waste to their lair.
94	"Prodigal Son"	February 11 2006	S04E16
Leonardo returns home to find the lair in ruins and his family missing. His search for answers and his family eventually lead him to the realization that Karai is no longer an ally.
95	"Outbreak"	February 18 2006	S04E17
Following the invasion engineered by Agent Bishop, genetic material from the replicated aliens combines with inhabitants of the sewers and surrounding waterways, causing a mutant outbreak. Fearing the spread of outbreak, Bishop sends Baxter Stockman to contain the threat. Meanwhile, the Turtles search for items to furnish their new lair, but now must face the threat of attacking mutants.
96	"Trouble with Augie"	February 25 2006	S04E18
April discovers a distress signal from her Uncle Augie, who became trapped in another dimension years ago. She appeals to Donatello for help and they use April's puzzle cube to travel across the multiverse. They find Augie, along with his new lizard-like friends, the Brotherhood, who claim they wish to help the inhabitants of Earth. Unfortunately, they soon discover the Brotherhood's true aspirations are not so benevolent.
97	"Insane in the Membrane"	October 14 2006 (UK only)	S04E19
The mutant outbreak continues to spread throughout the sewers and subway tunnels while the Turtles try to contain the threat. Back at Area 51, Baxter Stockman prepares a new body for cerebral transfer despite warnings from Agent Bishop. When Stockman's body begins to show signs of rejection, he becomes delirious, which leads to a rampage against the person he believes to have caused all his problems, April O'Neil.
98	"Return of Savanti, Part 1"	March 11 2006	S04E20
Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles and Renet into a trap to obtain the time sceptre.
99	"Return of Savanti, Part 2"	March 18 2006	S04E21
Having traveled to the past, the Turtles and Renet battle with Savanti Romero and his telepathically controlled dinosaurs as Savanti attempts to change the historic timeline by preventing the dinosaur extinction event.
100	"Tale of Master Yoshi"	March 4 2006	S04E22
When the power goes out in their lair, the Turtles and Splinter gather around the candlelight as Leonardo tells a story he learned from the Ancient One about Splinter's sensei, Hamato Yoshi.
101	"Adventures in Turtle Sitting"	March 25 2006	S04E23
The Turtles continue to deal with the seemingly unstoppable mutant outbreak, but they leave Donatello under care of April and Casey when he becomes very ill. However, Donatello's illness is not just a cold; he is in the final stages of a secondary mutation that will transform him into a savage beast.
102	"Good Genes, Part 1"	April 1 2006	S04E24
When it is apparent that Donatello's secondary mutation is causing his body to degenerate, the Turtles and Leatherhead agree they must go directly to Agent Bishop's headquarters to demand a cure. This scenario proves to be fortuitous as Bishop offers to help the Turtles if they retrieve an ancient piece of technology from the Foot.
103	"Good Genes, Part 2"	April 8 2006	S04E25
The Turtles agree to Bishop's offer in exchange for the cure to Donatello's secondary mutation. They are charged with infiltrating the Foot's headquarters and retrieving the Heart of Tengu. However, Bishop does not have a cure for Donatello and the retrieval of the Heart of Tengu turns out to be the groundwork for a plan that even Bishop doesn't understand.
104	"Ninja Tribunal"	April 15 2006	S04E26
Still recovering from his secondary mutation, Donatello feels cooped up inside the new lair. To help their brother out, the other Turtles decide to take Don topside to get some much needed air. The Turtles are then ambushed and captured by masked wooden warriors. The Turtles arrive before the Ninja Tribunal, four beings with a great resemblance to the Shredder. Along with four other warriors, the Tribunal entreats the group for aid against a greater evil.

Season Five (Ninja Tribunal/Lost Season): 2006-2008

#	Title	Original airdate	TV Broadcast
105	"Lap of the Gods"	August 7 2006 (Comcast On Demand)	S05E01
The Ninja Tribunal has called on eight acolytes to stop the coming evil. But first they have to train and be taught some important lessons that may mean the difference between life and death.
106	"Demons and Dragons"	August 7 2006 (Comcast On Demand)	S05E02
The Turtles begin training with the mysterious Ninja Tribunal, experimenting with new powers and weapons. After securing the first of the Tribunal’s Lost Artifacts, our heroes learn to their horror that the “great evil” they are destined to face is the long-imprisoned spirit of the one, true Shredder!
107	"Legend of the 5 Dragons"	August 7 2006 (Comcast On Demand)	S05E03
The Turtles train with the Ninja Tribunal to prevent the resurrection of the Shredder. But when Splinter and the Ancient One express serious doubts about trusting the Tribunal, leaving the Turtles confused. If they all agree on the goal, why the doubts? To explain the danger to the Turtles, Splinter and the Ancient One reveal the secret history of the Tribunal… including the true origin of the Shredder!
108	"More Worlds Than One"	August 7 2006 (Comcast On Demand)	S05E04
The Turtles and company continue their training under the Ninja Tribunal, learning to fight in the physical as well as mental and spiritual worlds. They’re going to need that knowledge, because the second artifact of the Shredder has been found, guarded by a horde of nasty tengu demons that eat Acolytes for breakfast… literally!
109	"Beginning of the End"	September 20, 2006 (Comcast On Demand)	S05E05
Returning to the Tribunal Monastery with the second Shredder Artifact, things seem to be going well for our heroes when – deception! Old foes infiltrate the Monastery. With all three artifacts in the hands of evil, they plan a sneak attack on the Tribunal and their students with devastating results!
110	"Nightmares Recycled"	N/A	S05E06
Raph, Don, Casey, and April’s evening salvage operation lands them a one-way ticket to Recycle World – the Garbageman’s deadly realm of refuse! As if fighting for their lives in a world of lethal compactors and shredders wasn’t bad enough, they’ve got to do it all with Hun – who’s not thrilled to reveal that he and Garbageman have something in common – DNA! NOTE: This episode was never completed. The script was finished and some animation had begun when 4Kids pulled the plug because it was deemed too controversial and violent for a children's program (apparently Hun and the Garbageman were conjoined twins that were surgically separated at birth by a back-alley surgeon with the Garbageman being discarded as 'garbage'). Appearantly, that was just too much for Fox to allow. Since there was no chance of it airing, it was shelved in the early stages of production.
111	"Membership Drive"	March 24, 2007	S05E07
The Justice Force is expanding its ranks, and Mikey plans on joining up as Turtle Titan!, while Leo is more concerned in alerting them to the threat of the original Shredder. But when Nano reappears (thanks to Bishop and Baxter Stockman), everything quickly spirals out of control into a super hero vs. nanotech slugfest! But has Nano come back as friend or foe? And will the Turtle Titan and Leo survive long enough to find out?
112	"New World Order, Part 1"	2008	S05E08
The original Shredder is resurrected by the Foot Mystics, whose first agenda is to destroy Karai – the “false Shredder.” And, while the Turtles are enemies of both Shredders, they realize that if the original Shredder wins, his goal of creating a world of destruction, devastation and chaos will be one huge step closer to reality. So, like it or not, they have to help Karai – even while she’s intent on killing them!
113	"New World Order, Part 2"	2008	S05E09
In their attempt to rescue Karai from the Foot Mystics and new Shredder, the Turtles wind up in a raging battle filled with magic and martial arts where they use everything the Tribunal taught them - but will it be enough to escape with Karai and their lives?
114	"Fathers & Sons"	2008	S05E10
Weary after their first battle with the new Shredder, the Turtles doubt they can defeat him. To lift their spirits, Splinter and the Ancient One shares a tale of the Turtles’ toddler days. The story reveals that though the Turtles were small, they overcame impossible odds to defeat a phantom bent on reviving the Shredder, though they may not remember it.
115	"Past and Present"	2008	S05E11
Shredder begins to build a new dynasty in New York, transforming the whole island into a hellish nightmare. The Turtles team up with Karai in a daring plan to direct Shredder’s energy against him from mystical “Keystones” around Manhattan… but will it be enough?
116	"Enter the Dragons, Part 1"	2008	S05E12
The demonic Shredder has transformed New York City into a nightmare version of Feudal Japan and the rest of the world is next! But the Turtles have a plan, and if it takes allying themselves with some of their former enemies to bring the fight to the Shredder, so be it… because if they fail, there is no tomorrow!
117	"Enter the Dragons, Part 2"	2008	S05E13
With the help of allies and enemies alike, the Turtles have fought their way through a demonic version of New York to confront the Shredder once and for all! This night the Teenage Mutant Ninja Turtles will meet their destinies… whether it be to live or die!

Season Six (Fast Forward): 2006-2007

#	Title	Original airdate	TV Broadcast
118	"Future Shellshock"	July 29 2006	S06E01
In the middle of a particularly heated argument (over which TV programmes to watch), the Turtles and Splinter are abruptly transported to the year 2105 by a time machine unwittingly created by Cody Jones, heir to the vast O'Neil-Jones business empire and descendant of April and Casey. Upon their arrival, the Turtles quickly get separated — and minutes later, Mikey finds himself ambushed by a horde of mysterious, cloaked figures, the Street Phantoms led by the cyborg Jammerhead. His terrapin brothers must first rendezvous with a fussy British robot called British Serling, meet Cody and adapt to their new surroundings before setting out on a desperate rescue mission.
119	"Obsolete"	August 5 2006	S06E02
Much to their chagrin, the Turtles still find themselves in the future after Cody's incessant tinkering fails to take them back home. Before the brothers can complain, however, Cody's uncle, a guileful eccentric by the name of Darius Dunn, stumbles into the picture. Unbeknownst to either the Turtles or their newfound friend, Dunn has his sights set on a rather malicious goal, and will even endanger his young nephew in order to succeed...
120	"Home Invasion"	August 12 2006	S06E03
Raphael is his old, cantankerous self when faced with the highly automated future – especially when Cody builds the Turtles a new dojo, complete with realistic holographic simulation battle programs. Unfortunately, a malevolent living computer virus named Viral promptly takes over Cody’s building, thus trapping the Turtles inside the dojo – which has suddenly become a high-tech prison! One battle simulation with attack drones was based entirely on Wild West C.O.W.-Boys of Moo Mesa.
121	"Headlock Prime"	September 30 2006	S06E04
Still frustrated with the future, Raphael decides to go and watch a professional wrestling tournament, only to find that the wrestlers fight by eye and body language rather than actual physical contact. But then, a 3-headed banned wrestler called Triple Threat interrupts and causes triple trouble.
122	"Playtime's Over"	October 7 2006	S06E05
A new sequel to one of Michelangelo's favorite video games is released, causing great excitement for the Turtle, but also trouble from Jammerhead.
123	"Bishop to Knight"	October 14 2006	S06E06
The Turtles discover that their old enemy, Agent Bishop, is still alive in 2105. But he has changed, accepts non-humans and is now President of a Galaxy-spanning alliance which includes many alien species. He also needs their help to stop a mercenary called Torbin Zixx from delivering a bomb.
124	"Night of Sh'Okanabo"	October 21 2006	S06E07
Mikey takes his three brothers and Cody to a horror film festival, where they meet face Sh'okanabo, an alien who intends to turn every person on Earth into creatures similar to himself.
125	"Clash of the Turtle Titans"	October 28 2006	S06E08
Mikey discovers someone has taken over his old superhero persona, Turtle Titan, and sets off to deal with the "imposter" — even though he appears to be much more mature and responsible than Mikey will ever be ! (The new Turtle Titan is a fine parody of Batman, addressing people as "citizen" and having his own TT signal.)
126	"Fly Me To The Moon"	November 4 2006	S06E09
Cody and the Turtles search for a rare lunar alloy on the moon; but the devious Uncle Darius sends the Inuwashi Gunjin there to make sure that they do not return alive.
127	"Invasion of the Body Snatcher!"	November 11 2006	S06E10
Jammerhead uses a bodyjacker to take over Darius Dun's body to steal O'Neil Tech's secrets.
128	"The Freaks Come Out at Night"	November 25 2006	S06E11
After an outing downtown, Mikey starts behaving strangely – as in super strength, green-slime-spewing strangely. The reason, the Turtles soon discover, is that Mikey has been “implanted” by one of Sh’Okanabo’s “gene-seeds”. Sh’Okanabo has begun his first test of introducing the seeds into the general population in order to propagate his alien race, transforming ordinary folks into monstrous Kanabo drones! But will our heroes be able to stop him before becoming “implanted” themselves?
129	"Bad Blood"	December 2 2006	S06E12
Sh'Okanabo makes a deal with Darius Dun by giving him Kanabo clones of the Turtles, each with the Turtles' fighting style and memories. Darius leads the Turtles into an ambush and disarms them. Cody, Splinter and British Serling come to help but end up in a mess of trouble. With Splinter and Serling arrested by the Peacekeepers, Cody must find the Turtles before it's too late.
130	"The Journal"	December 9 2006	S06E13
While looking at Cody's collection of relics, the Turtles stumble upon a journal that reveals what will happen to them when they return to the past. Despite warnings from Splinter that finding out about their future could be dangerous, they decide to take the risk. However, they soon find that their future back in the past will be anyhting but rosie.
131	"The Gaminator"	December 16 2006	S06E14
When the new Gaminator video game-playing prototype shows up on Cody's doorstep, the Turtles are eager to play it. Suddenly, their minds are pulled into the game. There, they discover that it was all a trap set by Viral who plans to deliver them to Sho'Kanabo.
132	"Graduation Day: Class of 2105"	March 24 2007	S06E15
Splinter announces that the Turtles will graduate to the next ninja rank, except Michelangelo, who has been playing video games instead of training. To bring their brother up to speed, they test him in a series of challenges in order to understand the true meaning of Ninjutsu.
133	"Timing Is Everything"	March 31 2007	S06E16
Testing the duplicated time-window that brought the Turtles to 2105, Sh'Okanabo unleashes a time storm on New York, putting the Turtles in the middle of chaos. With time and space unraveling, the Turtles must find a way to stop it before the fabric of reality is destroyed.
134	"Enter the Jammerhead"	April 7 2007	S06E17
Jammerhead escapes from prison and confronts the Turtles by using moves and tactics they have never seen before; and they have to put up with a visit from Starlee's alien family.
135	"Milk Run"	April 14 2007	S06E18
Smuggler Torbin Zixx steals a jammer from O'Neil Tech. He then tells the Turtles that it is needed to deliver urgent medical supplies to another planet, but on the journey they are attacked by space gangsters; and is Zixx telling the full story?
136	"The Fall of Darius Dunn"	April 21 2007	S06E19
The Turtles square off against the Dark Turtles created by Sh’Okanabo while Cody, in his fighting machine known as Turtle X, confronts his uncle Darius in an epic showdown.
137	"Turtle X-Tinction"	April 28 2007	S06E20
On Cody's birthday, Darius takes control of Turtle X to take revenge for his recent defeat. (British Serling becomes the new British Turtle X after it damages his body.)
138	"Race For Glory!"	September 8 2007	S06E21
The Turtles enter a tricked-out Hovershell in a cross-country road race that pits the latest high tech experimental vehicles against one another. But the fun and games quickly turn serious when Triple Threat decides to crash the race and steal all the cars.
139	"Head of State"	September 15 2007	S06E22
Bishop enlists the help of the Turtles to stop genetic-engineered creatures that are coming after him. But as the Turtles learn exactly how Bishop became president, they also discover that he isn't the only old foe who has made it into the future...
140	"DNA is Thicker than Water"	October 6 2007	S06E23
After Darius Dun orders the cloned Turtles to attack the real ones, the fake Leo is injured after apparently saving Cody. The real Turtles tend to his wounds hoping to convert him to good, but will that be possible?
141	"The Cosmic Completist"	October 13 2007	S06E24
A lone Inuwashi Gunjin enlists the help of the Turtles after his comrades are captured by a crazed alien named Aram Zado who endeavors to collect all of the rare warriors in the galaxy.
142	"The Day of Awakening"	October 20 2007	S06E25
Bishop, Splinter and the Turtles arrange a full assault on Moonbase after it is taken over by Sh'Okanabo and Viral. But Sh'Okanabo has both a new body and a new plan to block out the sun which is preventing him from taking over Earth.
143	"Zixxth Sense"	October 27 2007	S06E26
When a dark matter meteorite threatens to destroy Earth within hours, Torbin Zixx enlists the aid of the Turtles to seize a matter transmitter that will send it away.

Season Seven: 2008-2009

#	Title	Original airdate	TV Broadcast
144	"Back From The Future"	Fall 2008	S07E01
When the Turtles return from the future to the present time, Viral interferes causing Master Splinter to get trapped in cyberspace, bits of his data code scattered all throughout the digital domain. The Turtles must find a way to access the virtual realm so they can gather Splinter’s code and save their beloved father before he is lost to them forever.

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