List of Lab Rats episodes

Lab Rats is a Disney XD series that began airing on February 27, 2012. The show is about a teenager named Leo who lives with his mom and his step-dad and discovers three teens with bionic technology in the basement (lab) of his home. Lab Rats stars Billy Unger as Chase, Spencer Boldman as Adam, Kelli Berglund as Bree, Tyrel Jackson Williams as Leo, and Hal Sparks as Donald Davenport. In Season 3, the kids' bionic secret is revealed to the world and Leo is given bionics by Douglas, Davenport's brother. Hal Sparks has missed 10 episodes in the series.

Series overview

Season		Episodes	Originally aired (U.S. dates)
			First aired	Last aired
	1	20	February 27, 2012 (2012-02-27)	November 5, 2012 (2012-11-05)
	2	25	February 25, 2013 (2013-02-25)	January 13, 2014 (2014-01-13)
	3	23	February 17, 2014 (2014-02-17)	February 5, 2015 (2015-02-05)
	4	TBA	March 18, 2015 (2015-03-18)	TBA

Episode list

Season 1 (2012)

• The season consisted of 20 episodes.
• The pilot was shot in February 2011.
• The full season started filming in late-March 2011 and ended in February 2012.
• Hal Sparks was absent for four episodes.

No. in series	No. in season	Title	Directed by	Written by	Original air date	Production code	U.S. viewers (in millions)
1	1	"Crush, chop and burn" (Part 1)	Victor Gonzalez	Chris Peterson & Bryan Moore	February 27, 2012 (2012-02-27)	101	1.30
In the opener, When Leo and his mom, Tasha move into his step-dad, Donald Davenport's house, Leo discovers three bionic, super-human teens named Adam, Bree and Chase living in a secret underground lab in Donald's high-tech home. He takes the teens to school, where their lack of experience with the outside world causes chaos, prompting Davenport to ban them from ever leaving the lab. However, Leo, in appreciation for making him more popular by using their bionics, throws a party for Adam, Bree and Chase in Donald's house, only to get caught when he and Tasha walk in during the festivities. Guest stars: Angel Parker as Tasha Davenport, Will Forte as Eddy, Cody Christian as Kavan.
2	2	"Crush, Chop, & Burn" (Part 2)	Victor Gonzalez	Chris Peterson & Bryan Moore	February 28, 2012 (2012-02-28)	102	N/A
After Adam, Bree and Chase disobey Davenport's orders, he decides it's best they are sent to a top secret facility in the Arctic. To replace them, Davenport creates robot versions of them to hang out with Leo, but the Davenports switch places with the robots. However, Tasha decides that she doesn't want Leo to hang out with robots (finding them creepy), and tells Donald to recycle the robots, not knowing they were the real kids. Once at the recycling plant, Adam, Bree and Chase use their bionics to avoid the various hazards, but must go back when Leo jumps in, hoping to rescue them, before Adam finds the "Off" button. When Davenport sees the kids risk their lives for each other, he decides to let Adam, Bree and Chase stay, as long as they can control their glitches. Guest stars: Will Forte as Eddy and Angel Parker as Tasha Davenport.
3	3	"Commando App"	Victor Gonzalez	Gigi McCreery & Perry Rein	March 5, 2012 (2012-03-05)	103	1.16
On the Lab Rats' first day of school, all goes awry when Chase is confronted by a football player and his "Commando App" is triggered, transforming him into Spike, a loud-mouthed, insulting bully with an enormous temper. When Spike stands up to Principal Perry, the school principal, she puts the Lab Rats up against the football team to battle it out for the coveted cafeteria table. While the Lab Rats' bionics and Spike's aggression get them close to winning, Spike reverts to Chase at the last minute. While Chase tries to compute the perfect winning pass, he becomes confused by too many targets, causing them to lose. Meanwhile, Donald tries to work, but is constantly interrupted by Eddy. Guest stars: Maile Flanagan as Principal Perry, Eddie Perino as Trent and Will Forte as Eddy.
4	4	"Leo's Jam"	Victor Gonzalez	Heather Flanders	March 12, 2012 (2012-03-12)	105	1.05
When Leo needs help asking a girl to the school dance, Adam and Chase step in to help, but the plan backfires when she falls for Adam instead. The boys decide to settle their differences on the dance floor and each show off their best moves. Meanwhile, Bree gets to know her crush, Ethan, but he gets to know that Bree is one weird girl. Guest stars: Ginny Gardner as Danielle, Garrett Backstrom as Ethan and Angel Parker as Tasha Davenport. Absent: Hal Sparks as Donald Davenport.
5	5	"Rats on a Train"	Victor Gonzalez	Ken Blankstein	March 19, 2012 (2012-03-19)	107	0.86
The Lab Rats get their first mission to stop Davenport's hi-tech super fast train from speeding out of control. Leo sneaks along, but when the Lab Rats discover he accidentally discarded the braking system they were supposed to install, they must improvise a way to stop the train before it crashes into a nearby town. Meanwhile, Tasha is given her big break at the TV news station when her boss asks her to cover the runaway train. She misses to see the train and fails the report. After Leo stops the train, Tasha finds out and she grounds Leo for two weeks in his room without television, video games and leaving the house, but Leo shortens his grounding to one week without Tasha knowing. Guest star: Angel Parker as Tasha Davenport.
6	6	"Exoskeleton vs. Grandma"	Victor Gonzalez	Ron Rappaport	April 6, 2012 (2012-04-06) (Disney Channel) April 30, 2012 (2012-04-30) (Disney XD)	106	2.24 / 0.67
Tasha's mom comes to visit and she must pretend that Adam, Bree and Chase are their staff. Meanwhile Davenport's prized invention, a super strength and laser empowered exoskeleton suit, malfunctions, after Chase reverses its controls, to get back at Leo for stealing his presenting job. However, it ends up unleashing destructive power on the household, making Leo's grandma even more suspicious of the family. Guest stars: Angel Parker as Tasha Davenport and Telma Hopkins as Rose Dooley.
7	7	"Smart and Smarter"	Guy Distad	Chris Peterson & Bryan Moore	April 23, 2012 (2012-04-23)	110	0.82
When Chase refuses to admit that Adam has good ideas, Adam decides to run against him for student of the semester. Meanwhile, Leo takes advantage of Bree's super speed and starts using her as his personal taxi. Guest stars: Garrett Backstrom as Ethan, Elizabeth Margaret Beatrice as Ms. Thistle. Absent: Hal Sparks as Donald Davenport.
8	8	"Bionic Birthday Fail"	Victor Gonzalez	Ron Rappaport	May 7, 2012 (2012-05-07)	111	0.81
When Adam, Bree and Chase forget to invite Leo to his own surprise birthday party, they must make it up to him, so they take Leo into the ultra-cool virtual mission simulator and show him what it's like to be bionic. Guest stars: Angel Parker as Tasha Davenport and Will Forte as Eddy.
9	9	"Death Spiral Smackdown"	Sean McNamara	Gigi McCreery & Perry Rein	June 7, 2012 (2012-06-07)	108	0.48
Leo teams up with Adam in the school fitness challenge 'Death Spiral Smackdown,' hoping that Adam's bionic powers will be his secret weapon; the plan backfires when they end up going head-to-head in the finals. Meanwhile, Bree and Chase use their bionic abilities against one another when Chase tries to sabotage Bree when she is with her friends by making her speak French, Swedish and many other languages and making her slap her face. Guest stars: Maile Flanagan as Principal Perry, Tucker Albrizzi as Gordo and Michaela Carrozzo as Caitlin. Absent: Hal Sparks as Donald Davenport.
10	10	"Can I Borrow the Helicopter?"	Victor Gonzalez	Gigi McCreery & Perry Rein	June 14, 2012 (2012-06-14)	112	0.71
Leo borrows Donald's helicopter to take his crush, Janelle on a flight date. Meanwhile, Bree gets her own room, and Adam & Chase are excited to have the lab to themselves. But things get out of hand and Chase decides to divide the lab in half. Guest stars: Angel Parker as Tasha Davenport and Madison Pettis as Janelle.
11	11	"Back From the Future"	Victor Gonzalez	Ron Rappaport	June 21, 2012 (2012-06-21)	116	0.71
Future Leo travels back in time to tell Leo that Chase, Bree, and Adam won't make it to the future and that the only way to stop them is to not let them go to their ultra collider mission. Adam, Bree and Chase go anyway since the whole world is in their hands. After Leo goes after them and saves their life by pushing them aside when the dome collided, Adam digs up Leo ending up saving every one of them. Leo misses his date with Janelle, and Future Leo ends up with a dog instead of Janelle. Guest stars: Tyler James Williams as Future Leo and Madison Pettis as Janelle.
12	12	"Chip Switch"	Victor Gonzalez	Ken Blankstein	June 28, 2012 (2012-06-28)	119	N/A
The Rats switch their bionic chips after Leo mentions it. Adam has Bree's speed; Bree has Chase's intelligence; and Chase has Adam's strength. Ignoring Davenport's warning, they go to school and Chase, not used to heat vision, accidentally traps Leo and Principal Perry inside the elevator during a drill as part of Emergency Preparedness Week at the school after Bree complains about the noise the fire alarm bell makes. Right before Chase traps them, Adam finds out that he has guacamole on his shirt and super speeds home to get tortilla chips for it. Chase is unable to do anything, so the Rats race home try to switch back their chips, but accidentally end up with Chase with Bree's speed, Bree with Adam's strength, and Adam with Chase's intelligence. Adam figures out that Bree can pull the elevator cables, lifting Leo and Principal Perry to safety. This works, but Davenport busts them, but is glad that they learn their lesson about chip switching. (In this episode Principal Perry's full name is revealed as Terry Cherry Perry.) Guest star: Maile Flanagan as Principal Perry.
13	13	"Drone Alone"	Jody Margolin Hahn	Mark Brazill	July 5, 2012 (2012-07-05)	114	N/A
When Tasha and Davenport go on a vacation, it is up to Leo to make sure that nothing happens to his step-dad's prized possessions. Leo and the Lab Rats all promise to behave, but the second they're gone, Adam, Bree, and Chase start to fool around in the lab. At night, Leo turns on the LEMP, a "glitch machine", thinking it is a nightlight. In the morning, Leo wakes up to find that Adam was talking backwards and Chase could only see pixels. They tell Leo that Bree began running in the night and they didn't know where she went. Chase uses the computer to track Bree. They fix their glitches, Bree runs home by using a map, and Chase finds out he tracked one of Davenport's drones, forcing Eddy to steer the plane back. In the end, Davenport grounds Leo and the Rats. Guest stars: Angel Parker as Tasha Davenport and Will Forte as Eddy.
14	14	"Chore Wars"	Sean McNamara	Heather Flanders	July 12, 2012 (2012-07-12)	109	N/A
Adam, Bree and Chase learn about chores and earn allowance for the first time. In hopes of raising more money, the Lab Rats decide to host a yard sale but they accidentally sell an antique jewelry box that Davenport was restoring for Tasha. Meanwhile, Leo and Davenport bond over the latest 'Pig Zombie' movie. When Tasha finds out about her son disobeying her rule and lying to her and Davenport, she grounds Leo and forbids him to watch television for a week, but Tasha later lets Leo watch the 'Pig Zombie' movie marathon and she extends Leo's grounding to a month. Davenport finds out about the jewelry box's disappearance, he punishes Adam, Bree and Chase by making them do every filthy, disgusting chore in the house without their bionics for a month. Guest stars: Angel Parker as Tasha Davenport and Will Forte as Eddy.
15	15	"Dude, Where's My Lab?"	Victor Gonzalez	Marcus Alexander Hart	July 16, 2012 (2012-07-16)	115	N/A
Tasha takes the entire family on a nice 'tech free' beach weekend in the RV, but when Davenport discovers a solar flare headed in the Earth's direction, he secretly enlists the help of the Lab Rats. While Davenport distracts Tasha, the trio is forced to wait in the RV-turned portable lab for their rocket launch window. Cooped up inside during their first summer vacation, Leo and the gang sneak out for a quick jaunt on the boardwalk but when they return the RV is gone. A policeman tells them he had the RV towed, and the lab rats perform to get money so they can get the RV back but land in jail when they realize they don't have a license to perform. Guest star: Angel Parker as Tasha Davenport.
16	16	"Air Leo"	Guy Distad	Heather Flanders	October 8, 2012 (2012-10-08)	117	0.64
When Leo wants to impress Janelle by beating school bully Trent in basketball, Chase lends him Mr.Davenport's anti-gravity boots. But when Trent steals the shoes, Chase gets a gadget that makes the shoes dance with Trent in them. Trent takes the shoes off, and in the second round, Leo scores a goal by himself. Meanwhile, Bree and Adam compete for a spot on the cheer leading squad. Adam wins, but when Stephanie makes fun of Bree, Adam quits, and him and Bree make their own cheer and shame Stephanie and the cheerleaders out of the court. Guest stars: Madison Pettis as Janelle, Eddie Perino as Trent and Oana Gregory as Stephanie. Absent: Hal Sparks as Donald Davenport.
17	17	"Night of the Living Virus"	Victor Gonzalez	Mark Brazill	October 15, 2012 (2012-10-15)	104	0.59
Leo desperately wants to be Davenport's lab assistant, but he accidentally corrupts the smart-home system, turning Eddy into an evil demonic virus named Teddy. Meanwhile, Bree holds a sleepover with her friends, unaware that they only wanted to come because of the house she lives in, while Adam and Chase try to pull a prank on the girls. Guest stars: Angel Parker as Tasha Davenport, Oana Gregory as Stephanie, Michaela Carrozzo as Caitlin and Will Forte as Eddy/Teddy.
18	18	"Mission Invisible"	Victor Gonzalez	Carla Banks Waddles	October 22, 2012 (2012-10-22)	113	0.60
After using their bionics to save Leo from a falling air conditioning unit, a suspicious Principal Perry catches Adam, Bree and Chase on video using their bionics, but luckily hasn't viewed the hard drive yet. In order to stop her from showing Davenport and Tasha the film on Parent-Teacher night (and risk Davenport pulling them out of school for using their bionics) Leo uses Davenport's invisibility cloak to sneak into her office. But after Leo gets caught, the Lab Rats must think of a new plan. Guest stars: Maile Flanagan as Principal Perry, Angel Parker as Tasha Davenport and Elizabeth Margaret Beatrice as Ms. Thistle.
19	19	"Concert in a Can"	Victor Gonzalez	Mark Brazill	October 29, 2012 (2012-10-29)	118	0.59
Adam and Chase befriend new kid Marcus from school. They form a band but when Leo gets suspicious he joins the band only to get blamed for breaking Marcus's guitar. Meanwhile, Bree plans to bond with Mr. Davenport on Career Day, but gets upset when she finds out Davenport had been planning something with the boys. Leo brings along a tablet with Eddy's home system recording installed on it, showing that he did not break Marcus's guitar, but before he shows everyone Marcus confesses and finally tells everyone the truth. After a pretend breakdown, he then tells Leo to never tell on him again or else he's toast. Guest stars: Mateus Ward as Marcus Davenport and Will Forte as Eddy.
20	20	"Last mission"	Victor Gonzalez	Chris Peterson & Bryan Moore	November 5, 2012 (2012-11-05)	120	0.85
In the season 1 finale Leo, Adam, Bree, and Chase are at school where Marcus asked them if he could stay at their house for the weekend because his dad is out of town and he doesn't want to stay with his not-dead grandma. They let him come in. Then it is revealed Chase and the others have secret abilities (Chase is being able to move objects with his mind), but when they confront Davenport, they find out that he doesn't know the type of ability they will have or the time it will come. Marcus comes to their house, but unfortunately, they have to go to space because Davenport's satellite was about to get hit by a meteor shower and the breach got locked. They get there and fix the breach but Adam accidentally (with his heat vision) breaks his security rope. All goes fine except Marcus found out about the lab's security camera tablet. At the end of the episode Marcus is shown in a place where he notifies a mysterious man who is probably Davenport's enemy about the infiltration in Davenport's lab that he just did. Guest star: Mateus Ward as Marcus Davenport.

Season 2 (2013–14)

On May 17, 2012, Lab Rats was renewed for a second season.

• Hal Sparks was absent for six episodes.

No. in series	No. in season	Title	Directed by	Written by	Original air date	Production code	U.S. viewers (in millions)
21	1	"Speed Trapped"	Victor Gonzalez	Chris Peterson & Bryan Moore	February 25, 2013 (2013-02-25)	203	1.01
Adam, Bree, and Chase sneak out in Davenport’s new self-driving sports car. When Leo tries to stop them, his nemesis Marcus traps him inside the car and programs it to take him on a wild, high-speed ride bound for the bottom of the Atlantic Ocean. In the end Marcus reveals to Leo he is bionic like Adam, Bree and Chase, and that if Leo tells any one, Marcus will tell the world about the Rats' secret, thus ending with them going away to a facility and Mr. Davenport ending up in The Big House. Guest stars: Will Forte as Eddy, Mateus Ward as Marcus Davenport and Angel Parker as Tasha Davenport.
22	2	"Spy Fly"	Guy Distad	Ken Blankstein	March 4, 2013 (2013-03-04)	201	0.70
Leo uses a robotic fly to mess with Bree, but he goes to far when he uses it to cheat off Bree's test. When Bree scolds Leo for copying, Principal Perry gives her an F for talking during a test. But when Principal Perry finds and keeps Leo's robotic fly, they accidentally releases a swarm of them which all paralyze the students, but the only way Bree will help is if Leo confesses he cheated. In the end Leo confessed and Bree created a tornado with her speed to capture the flies in the container. Meanwhile Adam and Chase must take care of dolls (which if you hurt you lose a point) for a class, but it ends up in a battle between them with them hurting each other's babies in various ways. Guest star: Malie Flanagan as Principal Perry. Absent: Hal Sparks as Donald Davenport.
23	3	"Missin' the Mission"	Victor Gonzalez	Hayes Jackson	March 11, 2013 (2013-03-11)	202	0.43
Leo wants to be a part of the team, but Davenport won't let him. When Davenport discovers a gas leak, he calls Adam, Bree and Chase, but they're stuck in detention with Principal Perry from missing school on their other missions. Leo goes instead, much to Davenport's dismay. Leo soon proves to be worthy when he saves the day. In the end Leo is officially a member of the team as someone who watches over the mission and gives ideas/advice. Meanwhile Davenport gives Eddy a body, which is broken on the mission. Guest stars: Maile Flanagan as Principal Perry and Will Forte as Eddy.
24	4	"Quarantined"	Victor Gonzalez	Marcus Alexander Hart	March 18, 2013 (2013-03-18)	205	0.59
While going on a mission to receive samples to bust criminals, Bree is exposed to some of the chemicals she is collecting when she isn't paying attention. Davenport, Adam, and Chase try to figure out what's wrong with her and how to undo it. Leo tries to make sure Bree doesn't reveal her bionics when she sneaks out to see her crush's art. At the art show, the side effects of the chemical Bree was exposed to manifest. Guest star: Ben Stillwell as Owen.
25	5	"Robot Fight Club"	Sean Lambert	Hayes Jackson	March 25, 2013 (2013-03-25)	210	0.59
Chase and Leo decide to enter a build-your-own-bot Robot Throwdown, when Davenport wants to join their team, they agree, but kick him off when he wrecks their robot. He then enters the competition himself, going head to head against Chase and Leo. Meanwhile, Bree accidentally exposes her bionics to Caitlin, who then leaves in a fluster. Caitlin confesses she has a crush on Adam and he becomes her boyfriend so that he can convince her she didn't see anything. When Caitlin and Adam are on their date Caitlin confesses she wears glasses so she didn't see anything. Adam, who doesn't like Caitlin gets mad, his anger activates his bionics and Bree tackles Caitlin to the ground both to protect her and to stop her from seeing Adam's heat vision. Later, Adam finally gets Caitlin off his back by showing her who her true crush is - Chase. However, her "true crush" doesn't really want to cooperate. Guest stars: Michaela Carrozzo as Caitlin and Mark Christopher Lawrence as Robot Throwdown announcer.
26	6	"Bro Down"	Victor Gonzalez	Mark Brazill	April 1, 2013 (2013-04-01)	204	0.91
Chase pulls a prank on Adam, ending with Adam dislocating his arm, and Adam then gets worried because the world is so dangerous. He quits the team because he doesn't want to get hurt. Chase and Bree realize they can't do it alone, so Chase and Davenport come up with a plan to get Adam back on the team, but things go wrong and Chase gets hurt. Meanwhile, Bree discovers her secret ability, and gets grounded for using it to make fun of Principal Perry. Leo and Bree later get grounded at home. Guest stars: Maile Flanagan as Principal Perry and Elizabeth Margaret Beatrice as Ms. Thistle.
27	7	"The Rats Strike Back"	Victor Gonzalez	Julia Miranda	April 8, 2013 (2013-04-08)	206	0.52
Leo, Bree, Adam, and Chase go on strike due to Davenport's unfair treatment. When he needs them for a special presentation, he must admit that he is wrong, or risk his entire career. But instead he gets Leo to be his pilot for the presentation. But little did Leo know Davenport is using him to get the lab rats to cave. In the end Davenport's presentation is blown and Adam, Bree, and Chase forgive Leo for going with Davenport. Guest star: Angel Parker as Tasha Davenport.
28	8	"Parallel Universe"	Guy Distad	Ron Rappaport	June 17, 2013 (2013-06-17)	207	0.74
During movie time, one of Davenports inventions accidentally sucks Leo into a parallel universe, where the Lab Rats are powerless and Leo's the one with bionics and everything is backwards. Principal Perry is nice, Adam is a nerd, Chase is a jock, and Bree is popular. The Lab Rats don't know Leo. When he exposes his bionics to them, which freaks them out, they then tell the F.B.I., who come for Leo. He and Davenport have to get him back to his universe before Leo ends up in government lockdown. Guest stars: Angel Parker as Tasha Davenport, Maile Flanagan as Principal Perry and Tim Russ as Agent Gordon.
29	9	"Spike's Got Talent"	Guy Distad	Julia Miranda	June 24, 2013 (2013-06-24)	208	0.65
Leo decides to enter the school talent show by performing a magic act. When Chase is not pictured on the yearbook, he uses his molecular kinesis in the talent show auditions to show everyone he's popular but takes Leo's spot. Eddy gives Leo a device to interrupt Chase's bionics during the show, and Chase gets booed, causing his commando app to activate. Leo calms him down, but induces Spike again by insulting Chase. Leo tries using the device to shut Spike down, but ends up causing Spike's aggression levels to soar. Principal Perry then takes Spike down, reverting him to Chase. Meanwhile, Adam and Owen try to use butter as art, much to Bree's chagrin. Bree melts the statue, upsetting Owen. She makes it up to him by making him a new statue out of popcorn. Guest stars: Maile Flanagan as Principal Perry, Ben Stillwell as Owen and Will Forte as Eddy. Absent: Hal Sparks as Donald Davenport.
30	10	"Leo vs. Evil"	Victor Gonzalez	Ron Rappaport	June 24, 2013 (2013-06-24)	211	0.81
Leo is trapped by Marcus at school, but escapes and follows Marcus to his house. He gets photographic evidence that not only proves that Marcus is evil but also he wants Adam, Bree and Chase but is unfortunately captured by Marcus with a robot. Leo escapes by outthinking Marcus with a move Chase used to beat Adam at arm wrestling. When Leo tries to bust Marcus, his phone is destroyed by the broken teleporter. Marcus' house appears normal except for a camera that Davenport suspiciously notices but doesn't mention. Marcus' dad reveals himself and says that Marcus has failed him and he will take care of Adam, Bree, Chase, and Davenport. Meanwhile, the Lab Rats try out a teleporter, but accidentally teleport Tasha to Fresno, and must fix the teleporter to bring her back. Guest stars: Mateus Ward as Marcus Davenport, Angel Parker as Tasha Davenport, Will Forte as Eddy and Jeremy Kent Jackson as Douglas Davenport.
31	11	"Hole in One"	Victor Gonzalez	Sib Ventress	July 1, 2013 (2013-07-01)	217	0.67
When Davenport shows Leo and the Lab Rats his one million dollar painting, they don't approve of it. While Davenport goes to work, Leo and the Rats put the painting in Davenports art vault, which has a bunch of other paintings. When Adam sneezes, it triggers his heat vision and it burns a hole into the painting. The kids then try to cover it up by painting a new one that looks exactly like the original. All does not go according to plan when the FBI shows up and accuse Davenport of forging art and almost discover the lab looking for more forged art. Guest star: Malie Flanagan as Principal Perry.
32	12	"Trucked Out"	Victor Gonzalez	Hayes Jackson	July 8, 2013 (2013-07-08)	220	0.73
Adam gets his driver's license. Davenport takes Adam to get a car, but Davenport has to leave early and Adam gets a monster truck instead of the intended car. Davenport is about to take back the truck, but he and Adam decide to keep it and take a joyride. Meanwhile Leo is bragging he was invited to a party, but when Tasha runs for PTA president and embarrasses him, he worries he will be uninvited, so Bree uses her voice manipulation powers to make Tasha seem like she is making fun of Principal Perry, and Perry then decides to run against Tasha. In the end Perry wins the vote when Adam and Davenport crash the Monster Truck into the school. Guest stars: Angel Parker as Tasha Davenport and Malie Flanagan as Principal Perry.
33	13	"The Bionic 500"	Victor Gonzalez	Julia Miranda	July 22, 2013 (2013-07-22)	223	0.66
Davenport has grown tired of his obnoxious ultra rich neighbor, Pierce, and decides to end their feud with a stock car race. But he quickly finds out that he'll need the help of the Lab Rats and Leo when his neighbor enlists the help of Joey Logano to win the race. Meanwhile, Leo wants the corner locker at school, only to find out it has been taken by Pierce's son, Clayton Harrington. Joey later leaves because Pierce and Clayton sabotage Davenport's car and says he doesn't work for cheaters. Davenport then fires his pit crew, who have been paid by Pierce to sabotage his car, and Adam, Bree, Chase and Leo become his new pit crew. Joey helps Davenport win as well. Davenport has a plan to stay behind and then slingshot past Pierce's car. In the end, Davenport wins, Pierce and Clayton move and Leo gets the corner locker. Guest stars: Malie Flanagan as Principal Perry, JT Neal as Clayton Harrington and Craig Zimmerman as Pierce Harrington. Special guest star: Joey Logano as himself.
34	14	"Bionic Showdown"	Victor Gonzalez	Chris Peterson & Bryan Moore	August 5, 2013 (2013-08-05)	212/213	1.37
After Davenport only seems to point out what they do wrong, the Lab Rats begin to get annoyed at Davenport. Meanwhile, Marcus disables Eddy and he and his dad, Donald's brother Douglas, capture Donald. Marcus and his dad show Donald trapped and try to lure them to their lair. Leo reveals that Marcus is also bionic with all their powers combined. They go to Marcus's secret house in their new mission suits. Marcus reveals that Leo was right about him all along and defeats Adam and Bree easily. Chase uses a new ability, levitation, to "beat" Marcus, who once again fools them. Douglas transports them into Donald's cage, and reveals that he is their father. Donald reveals that Douglas used to work with him, but got kicked out of the company for evil ideas. Douglas then built Marcus, an android who is dying fast. Douglas tries activating the Triton app, but Donald's block prevents him from doing so. Meanwhile, Leo arrives to rescue the gang with Eddy in tow in watch form after learning everything along the way with the Lab Rats via video. Marcus comes outside and electrocutes him, but luckily Leo survives and comes up with a new plan. Inside, Bree deactivates the cage's laser source, and Donald and Douglas fight to control the Triton app remote. Marcus takes on the Lab Rats, and defeats them. Just as Douglas grabs the remote, Leo arrives in the exoskeleton, making Douglas drop the remote. Donald then crushes it, while Leo fights Marcus, who easily knocks him down, and prepares to finally kill Leo. Adam gets angry and reveals a hidden ability, a bionic blast wave, which destroys the lair, as well as knocking out Bree, Chase, Leo, Donald, Douglas and Marcus. Douglas escapes from the room, but Marcus, furious, gets crushed by the rocks, and the Lab Rats quickly escape. Marcus' robotic hand rises from the rubble, but shuts down, confirming his death. Donald says he's proud of them, and Chase says that Donald is their real father. When Donald tries to set the alarm on the house, Leo remembers he left Eddy in watch form outside Marcus' house. Note: This episode was advertised as a special one-hour event episode. Guest stars: Will Forte as Eddy, Mateus Ward as Marcus Davenport and Jeremy Kent Jackson as Douglas Davenport.
35	15	"Memory Wipe"	Victor Gonzalez	Ron Rappaport	August 19, 2013 (2013-08-19)	219	0.51
After Adam, Bree, Chase, and Leo get caught and are grounded for 3 weeks for coming home two hours past curfew by Davenport, they use Davenport's memory erasing device to wipe his short term memory to forget that he grounded them. But Leo goes too far and accidentally erases 24 years instead of 24 hours, rendering him a teenager. When Chase tries to fix it, he wipes Davenport's memory again to 24 years as a four-and-a-half-year old. When Davenport discovers that Leo, Adam, Bree and Chase were using his memory erasing device after he returns to normal, he grounds Leo, Adam, Bree and Chase "forever". Guest star: Angel Parker as Tasha Davenport.
36	16	"Avalanche"	Victor Gonzalez	Mark Brazill	September 16, 2013 (2013-09-16)	214	0.72
Adam and Bree are always saying that super speed and super strength always make a good team, so Chase tries to prove to them and Davenport that super smarts can be good on its own. Davenport arranged for Adam, Bree, and Chase to go on a mission in Antarctica, but called it off because he thought that it was going to be too dangerous. Chase goes anyways, proving to Adam and Bree that he can complete a mission himself and ends up getting trapped by an avalanche. He is rescued by Douglas, who presents him with a tempting offer to work together. Then, Chase pretends to agree but freezes Douglas in the end. Meanwhile, Leo accidentally freezes Janelle and Tasha with Donald's freezing gun. Guest stars: Angel Parker as Tasha Davenport, Madison Pettis as Janelle and Jeremy Kent Jackson as Douglas Davenport.
37	17	"Adam Up"	Victor Gonzalez	Greg Schaffer	September 23, 2013 (2013-09-23)	218	0.51
When Adam, Bree, and Chase are completing their training, Adam gets bored of training and wants to have fun. He creates a duplicate of himself with Mr. Davenport's cellular duplicator. But things get out of hand when the duplicate learns how to multiply himself. Meanwhile, Bree and Chase have to baby-sit Principal Perry's niece who acts nice but is actually blackmailing them. Guest stars: Will Forte as Eddy, Maile Flanagan as Principal Perry and Grace Kaufman as Kerry Perry. Absent: Hal Sparks as Donald Davenport.
38	18	"Llama Drama"	Guy Distad	Ken Blankstein	September 30, 2013 (2013-09-30)	216	0.58
When the school mascot’s Dingo costume is stolen by the rival team, Adam seeks revenge by taking their mascot, a llama. When Chase and Adam try to return the llama they discover that the animal has swallowed hundreds of Davenport’s mechanical nanobots causing it to shoot acidic bionic spit. Meanwhile, Caitlyn gets Leo and Bree to help her win the domino contest, but she is to hard on them and Bree and Leo decide to compete against her in the domino contest. Guest stars: Maile Flanagan as Principal Perry and Michaela Carrozzo as Caitlin. Absent: Hal Sparks as Donald Davenport.
39	19	"The Haunting of Mission Creek High"	Jody Margolin Hahn	Ken Blankstein	October 14, 2013 (2013-10-14)	209	0.92
After Principal Perry tells everyone a ghost story, Adam, Chase and Leo decide to take advantage of Trent's fear of ghosts for a little revenge. However, they soon start to believe that the ghost is real. Meanwhile, Bree and Owen have different opinions on how to decorate the gym for the Homecoming dance. In the end, it turns out to that Perry was behind the whole thing. Guest stars: Eddie Perino as Trent, Malie Flanagan as Principal Perry, Elizabeth Margaret Beatrice as Ms. Thistle and Ben Stillwell as Owen. Absent: Hal Sparks as Donald Davenport.
40	20	"Perry 2.0"	David DeLuise	Julia Miranda	November 11, 2013 (2013-11-11)	215	1.05
Davenport makes a deal with Principal Perry to improve the school technology even though Chase and Leo tell him not to. In the end, his ego ruins everything when he makes a robotic version of principal Perry. Leo and Chase are mad at him, so they make the robot Perry unfocused while unknowingly restoring the robot to its original factory settings, "seek and destroy". Guest stars: Maile Flanagan as Principal Perry/Robo Perry and Matthew J. Evans as Alaster.
41	21	"My Little Brother"	Victor Gonzalez	Jason Dorris	November 18, 2013 (2013-11-18)	224	0.75
When Chase inadvertently causes Adam to shrink down to two inches, he takes advantage of the situation to get back at Adam for all the times he called him short. However, he begins to regret it when he loses Adam. Meanwhile, Bree gets control of the school for a day but finds it hard to handle when Principal Perry decides to act like a student. But later Bree calls Perry's mom and revealed that whenever Perry sees her mom she acts like a child. Guest star: Maile Flanagan as Principal Perry and Peggy Miley as Perry's Mother. Absent: Hal Sparks as Donald Davenport.
42	22	"Prank You Very Much"	Victor Gonzalez	Ken Blankstein	November 25, 2013 (2013-11-25)	222	0.60
When Bree gets tired of always being pranked by her brothers, she asks Davenport to help her. Chase and Adam's pranks get out of hand when Tasha gets sprayed in the face with ketchup and mustard. Tasha and Bree later prank them back. Grandma Rose comes to visit and begins to interfere with Leo and Janelle's relationship. Guest stars: Angel Parker as Tasha Davenport, Madison Pettis as Janelle and Telma Hopkins as Rose Dooley.
43	23	"Twas the Mission Before Christmas"	Guy Distad	Mark Brazill	December 2, 2013 (2013-12-02)	221	0.81
Adam, Bree and Chase go on a mission to save Dr. Evans on Christmas Eve, due to a large volcanic eruption in the frozen tundra. After aiding Dr. Evans in stabilizing several of his machinery, an after shock causes his gamma-sphere to crack. Chase has to use his forcefield to contain the highly dangerous gamma rays. Meanwhile, Principal Perry stays in Davenport's mansion and makes Christmas miserable for Leo. In the end, she makes up for it by making a beautiful dinner for them to enjoy, although she makes Davenport pay for it. Guest stars: Angel Parker as Tasha Davenport, Malie Flanagan as Principal Perry and Noah Wyle as Dr. Evans.
44	24	"Trent Gets Schooled"	Victor Gonzalez	Jessica Gao	January 6, 2014 (2014-01-06)	225	0.68
Trent asks for help on his test from Chase and Leo, and they decide its a good chance to get back at him for picking on them. They program the Davenglasses with fake information, and Trent fails the test. Perry tells them that Trent would have graduated if he passed the test, and they convince her to let him take it again. They help him study for real this time, using Leo's pain as inspiration. In the end, they find out Trent is now their gym teacher. Meanwhile, Bree wants to look good in her yearbook photo so she goes to the hair salon. Adam accidentally burns off half of her hair, and they ask Donald to fix it. Adam puts too much hair growth cream on Bree. On school picture day, her bangs grow over her face when Perry takes a photo. Guest stars: Malie Flanagan as Principal Perry and Eddie Perino as Trent.
45	25	"No Going Back"	Victor Gonzalez	Chris Peterson and Bryan Moore	January 13, 2014 (2014-01-13)	226	0.74
The Lab Rats are forced to expose their bionics to save Principal Perry's life. Meanwhile, Davenport is attacked by a mysterious hacker. The hacker later uses all of Davenport's credit cards and hacks his computer networks. When Davenport loses the house, The Lab Rats then run off to hide from the FBI with no telling where they are. It is later revealed that Douglas is the hacker and was released by a mysterious masked man. At the end of the episode, Douglas sets off explosives in the lab and Davenport and Leo escape but are stuck in the elevator with no way out. Guest stars: Maile Flanagan as Principal Perry, Angel Parker as Tasha Davenport, Will Forte as Eddy, Ben Cornish as the FBI Agent, Jeff Douchette as Bank Rep, Jeremy Kent Jackson as Douglas Davenport and Graham Shiels as Victor Krane.

Season 3 (2014–15)

On July 26, 2013, Disney XD renewed Lab Rats for a third season. Season three premiered February 17, 2014 with a one-hour episode. Hal Sparks directed an episode this season.

No. in series	No. in season	Title	Directed by	Written by	Original air date	Production code	U.S. viewers (in millions)
46	1	"Sink or Swim"	Victor Gonzalez	Chris Peterson & Bryan Moore (Part 1) Hayes Jackson (Part 2)	February 17, 2014 (2014-02-17)	301/302	1.05
47	2	"The Jet-Wing"	Victor Gonzalez	Ron Rappaport	February 24, 2014 (2014-02-24)	303	0.49
48	3	"Mission: Mission Creek High"	Guy Distad	Julia Miranda	March 3, 2014 (2014-03-03)	304	0.63
49	4	"Zip It"	Guy Distad	Greg Schaffer	March 10, 2014 (2014-03-10)	305	0.70
50	5	"Not So Smart Phone"	Victor Gonzalez	Ken Blankstein	March 24, 2014 (2014-03-24)	306	0.57
51	6	"Scramble the Orbs"	Guy Distad	Karen Jacobs	April 7, 2014 (2014-04-07)	307	0.49
52	7	"Principal from Another Planet"	Victor Gonzalez	Mark Brazill	April 14, 2014 (2014-04-14)	316	0.76
53	8	"Taken"	Victor Gonzalez	Mark Brazill	April 21, 2014 (2014-04-21)	308	0.59
54	9	"Three Minus Bree"	Victor Gonzalez	Julia Miranda	June 30, 2014 (2014-06-30)	309	N/A
55	10	"Which Father Knows Best?"	Guy Distad	Kenny Byerly	July 7, 2014 (2014-07-07)	310	N/A
56	11	"Cyborg Shark Attack"	Victor Gonzalez	Greg Schaffer	July 18, 2014 (2014-07-18)	313	N/A
57	12	"You Posted What!?!"	Victor Gonzalez	Hayes Jackson (part 1) Ken Blankstein (part 2)	July 28, 2014 (2014-07-28)	3-100	1.37
58	13	"Armed and Dangerous"	Victor Gonzalez	Julia Miranda	September 29, 2014 (2014-09-29)	TBA	0.65
59	14	"Alien Gladiators"	Guy Distad	Ron Rappaport	October 13, 2014 (2014-10-13)	TBA	N/A
60	15	"Brother Battle"	Hal Sparks	Jason Dorris	October 20, 2014 (2014-10-20)	312	0.63
61	16	"Spike Fright"	Guy Distad	Ken Blankstein	October 24, 2014 (2014-10-24)	TBA	0.46
62	17	"Face Off"	Guy Distad	Julia Miranda	November 10, 2014 (2014-11-10)	TBA	0.57
63	18	"Merry Glitchmas"	Guy Distad	Ron Rappaport	December 1, 2014 (2014-12-01)	TBA	0.75
64	19	"Rise of the Secret Soldiers"	Victor Gonzalez	Hayes Jackson (Part 1) Chris Peterson & Bryan Moore (Part 2)	January 26, 2015 (2015-01-26)	TBA	1.01
65	20	"Bionic Houseparty"	Guy Distad	Mark Brazill	February 2, 2015 (2015-02-02)	TBA	N/A
66	21	"First Day of Bionic Academy"	Guy Distad	Chris Peterson & Bryan Moore	February 3, 2015 (2015-02-03)	TBA	0.79
67	22	"Adam Steps Up"	Guy Distad	Ernie Bustamante	February 4, 2015 (2015-02-04)	TBA	1.06
68	23	"Unauthorized Mission"	Guy Distad	Ken Blankstein	February 5, 2015 (2015-02-05)	TBA	0.81

Season 4 (2015)

On May 9, 2014, the series was renewed for a fourth season, which premiered on March 18, 2015. The season will also have a guest appearance by Leo Howard.

No. in series	No. in season	Title	Directed by	Written by	Original air date	Production code	U.S. viewers (in millions)
69	1	"Bionic Rebellion"	Guy Distad	Chris Peterson & Bryan Moore	March 18, 2015 (2015-03-18)	TBA	0.86
Sebastian has secretly formed an evil rebellion to get revenge on the Lab Rats for destroying his father; Victor Krane. Guest stars: Cole Ewing as S-3/Sebastian Krane, Marissa Cuevas as Lexi Krane, Joel Michael Kramer as Tank Krane, Max Charles as Spin Krane, Brandon Salgado-Telis as Bob Krane and Maile Flanagan as Principal Perry.
70	2	"Left Behind"	Unknown	Unknown	March 25, 2015 (2015-03-25)	TBA	N/A
Adam, Bree and Chase accidentally leave Spin and Bob behind on the mainland and scramble to retrieve them before Davenport finds out. Guest stars: Max Charles as Spin Krane and Brandon Salgado-Telis as Bob Krane.
71	3	"Under Siege"	Unknown	Unknown	April 1, 2015 (2015-04-01)	TBA	N/A