List of Transformers: Prime episodes

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Transformers: Prime is a computer animated television series which premiered on November 29, 2010, on Hub Network, Hasbro's and Discovery's joint venture, which began broadcasting on October 10, 2010, in the United States. The series was also previewed on Hub Network on November 26, 2010, as a one-hour special. Transformers: Prime was renewed for a second season, which premiered on February 18, 2012, also on Hub Network. The third and final season premiered on March 22, 2013.

Series overview[edit]

SeasonEpisodesOriginally aired
First airedLast aired
126November 29, 2010 (2010-11-29)October 15, 2011 (2011-10-15)
226February 18, 2012 (2012-02-18)November 2, 2012 (2012-11-02)
313March 22, 2013 (2013-03-22)July 26, 2013 (2013-07-26)
TV movieOctober 4, 2013 (2013-10-04)


Season 1 (2010–11)[edit]

No. in
No. in
Title Directed by Written by U.S. original air date Production
11"Darkness Rising, Part 1"David HartmanDuane CapizziNovember 29, 2010 (2010-11-29)101

In Jasper, Nevada, three young humans—Jack Darby, Miko Nakadai and Rafael Esquivel—are accidentally caught in the crossfire of a fight between giant, mechanical aliens that transform into ordinary vehicles. The three kids are taken to the base of the Autobots, where the Autobot leader Optimus Prime explains that he and his team are a race of autonomous robotic organisms from the far-off planet Cybertron, and they are fighting over their life-source, Energon, with the Decepticons, with whom they once had a war.

Debuts: Optimus Prime, Arcee, Bumblebee, Bulkhead, Ratchet, Cliffjumper, Jack Darby, Rafael Esquievel, Miko Nakadai, Megatron, Starscream, Soundwave and Vehicons

Deaths: Cliffjumper
22"Darkness Rising, Part 2"David HartmanNicole DubucNovember 30, 2010 (2010-11-30)102

The Decepticon leader Megatron returns from a three-year exile with a plan to exploit the properties of a mysterious substance called "Dark Energon", which has the ability to turn the bodies of dead Transformers into zombie-like Terrorcons. The Autobots storm an Energon mine in search of their lost comrade Cliffjumper, only to discover that his dead body has been revived as a ravenous zombie by Dark Energon.

Debuts: William Fowler, June Darby, and Decepticon Miners
33"Darkness Rising, Part 3"Todd WatermanMarsha GriffinDecember 1, 2010 (2010-12-01)103

Optimus Prime and Ratchet head out to investigate Megatron's activities while Arcee and Bumblebee go on patrol, leaving Bulkhead with Jack, Miko and Rafael at the base. Meanwhile, Soundwave kidnaps the human Agent William Fowler, with Starscream wishing to learn the location of the Autobots' base.

Debuts: Laserbeak and Terrorcons
44"Darkness Rising, Part 4"Shaunt NigoghossianSteven MelchingDecember 2, 2010 (2010-12-02)104

Bulkhead, Arcee and Bumblebee sneak on to the Decepticon warship, the Nemesis, to rescue Agent Fowler, while Optimus Prime and Ratchet fight off Megatron and a horde of Dark Energon zombies.

Deaths: Terrorcons
55"Darkness Rising, Part 5"Vinton HeuckJoseph KuhrDecember 3, 2010 (2010-12-03)105
With the Decepticons completing their Space Bridge to Cybertron, Optimus Prime and the Autobots race to stop Megatron from opening the Bridge and bringing forth a vast army of Dark Energon zombies from the Cybertronians' dead home world.
66"Masters and Students"Todd WatermanDavid SlackFebruary 11, 2011 (2011-02-11)106

Following Megatron's supposed demise, Starscream appoints himself as the new Decepticon leader. However, to his annoyance, he finds that the troops don't respect him as much as they did Megatron and are weary towards him becoming leader. In order to gain their respect, Starscream awakens Skyquake, a legendary Decepticon warrior who was entombed in stasis on Earth for centuries, and attempts to recruit him into his new army. Meanwhile, Ratchet agrees to help Jack, Miko and Rafael with their school science projects, with explosive results.

Debuts/Deaths: Skyquake
77"Scrapheap"Shaunt NigoghossianMarsha GriffinFebruary 18, 2011 (2011-02-18)107

While on a scouting mission in the Arctic, Bulkhead and Bumblebee find a crashed space pod buried in the ice. They bring it back to base for examination, and Optimus Prime and Arcee venture out into the Arctic to find clues on the pod's origin. While they are out, the other Autobots discover that the pod contains a large swarm of Scraplets, a vicious and highly dangerous form of Cybertronian wildlife that eats metal. The Scraplets infest the Autobot base, devouring any metal in sight and damaging the Ground Bridge, leaving Optimus and Arcee stranded in the Arctic.

Debuts: Scraplets
88"Con Job"Vinton HeuckSteven MelchingFebruary 25, 2011 (2011-02-25)108

The Autobots receive a message from Wheeljack, an old friend of Bulkhead's from the days of the war, who is visiting Earth while journeying across the galaxy. Upon picking up the message's signal, Starscream and Soundwave capture Wheeljack before he can meet the Autobots, and they send in Makeshift, a Decepticon spy able to take on any form, disguised as Wheeljack to discover the location of the Autobot base.

Debuts: Wheeljack and Makeshift

Deaths: Makeshift
99"Convoy"Todd WatermanJoseph KuhrMarch 4, 2011 (2011-03-04)109

Agent Fowler asks for the Autobots' assistance in transporting a powerful nuclear device to a military base, but since sending such a device through the Ground Bridge could be potentially dangerous, they have to travel by road. Along the way, the Autobots are ambushed by M.E.C.H., a terrorist organization who wish to steal the nuclear device and use it for their own nefarious purposes. And to make things worse, the Decepticons get involved as well.

Debuts: Silas and M.E.C.H.
1010"Deus Ex Machina"Shaunt NigoghossianNicole DubucMarch 11, 2011 (2011-03-11)110

The Autobots discover that an Energon Harvester, an ancient and powerful device from Cybertron's distant past, is on display in a museum, and they attempt to retrieve it with Jack, Miko and Rafael's aid before it falls into the wrong hands. Starscream also learns of the Harvester's whereabouts, and he sends Soundwave, along with new Decepticons Knock Out and Breakdown, to obtain it.

Debuts: Knock Out and Breakdown
1111"Speed Metal"Vinton HeuckDean StefanApril 9, 2011 (2011-04-09)111

In an attempt to get even with school bully Vince, as well as impress his crush Sierra, Jack convinces Bumblebee to help him win an illegal street race. However, things go awry when Knock Out gets involved in the action, kidnapping Vince in the belief that he is Bumblebee's human partner.

Debuts: Vince
1212"Predatory"Todd Waterman & Kirk Van Wormer (Co-Director)Marsha GriffinApril 16, 2011 (2011-04-16)112

Jack accompanies Arcee on a routine scouting mission in a forest, where they discover a crashed space ship. They soon discover that the owner of the ship, the deadly and ruthless Decepticon sadist known as Airachnid, is still prowling the forest in search of a human to hunt, putting Jack in danger and causing Arcee to have visions regarding her last encounter with Airachnid on Cybertron during a mission with her partner Tailgate.

Debuts: Airachnid and Tailgate (flashbacks)

Deaths: Tailgate (flashback)
1313"Sick Mind"Shaunt NigoghossianSteven MelchingApril 30, 2011 (2011-04-30)113
While exploring the wreckage of a crashed Autobot spaceship in a desert, Optimus Prime becomes infected with the Cybonic Plague, a deadly virus that leaves him in a critical condition. Arcee and Bumblebee sneak on to the Nemesis in order to find a cure for the virus. Following Ratchet's advice, Arcee uses a cortical psychic patch to send Bumblebee into Megatron's subconscious, where knowledge of the cure is located. However, Starscream and Knock Out hatch a plan to terminate their leader permanently, putting Bumblebee's mission in jeopardy.
1414"Out of His Head"Vinton HeuckNicole DubucMay 7, 2011 (2011-05-07)114
Megatron's subconscious is mistakenly downloaded into Bumblebee's head, where the tyrant manipulates Bumblebee's mind in a plan to return to his original body and reclaim Decepticon leadership. Meanwhile, Starscream steals the lens from a powerful space telescope and attempts to use it to melt through ice in the Arctic to gain access to an underground Energon deposit. As the Autobots intervene, Megatron manipulates Bumblebee into infiltrating the Decepticon Warship and restoring him back to life with Dark Energon. Subsequently, Megatron confronts and punishes Starscream over his treachery, indirectly saving Optimus Prime in the process.
1515"Shadowzone"Todd WatermanMarsha GriffinMay 14, 2011 (2011-05-14)115
Starscream attempts to use a shard of Dark Energon to revive the dead body of Skyquake, but his plan is impeded by the Autobots. The Autobots request a Ground Bridge transport at the same time as Starscream. Hence, the two Ground Bridges appear at once, causing a malfunction that leaves Jack, Miko and Rafael in a parallel dimension, along with the revived but zombified body of Skyquake. It's up to the kids to somehow communicate with the Autobots and return to their home dimension.
1616"Operation: Breakdown"Shaunt NigoghossianSteven MelchingJune 18, 2011 (2011-06-18)116
During a fight with Bulkhead in an abandoned town, Breakdown is captured by M.E.C.H., who wish to dismantle him and research his inner workings for a project they refer to as "Project: Chimera". Optimus Prime and Starscream lead separate rescue missions to save Breakdown.
1717"Crisscross"Vinton HeuckJoseph KuhrJune 25, 2011 (2011-06-25)117
Airachnid, seeking retaliation on Arcee and Jack following their last encounter, teams up with M.E.C.H. in a plot to kidnap Jack's mother, June, intending to use her as bait to lure Jack and Arcee to M.E.C.H.'s hideout, so Arcee can be captured and used in M.E.C.H.'s experiments.
1818"Metal Attraction"Todd WatermanNicole DubucJuly 9, 2011 (2011-07-09)118
Bulkhead and Arcee, with Miko tagging along, are sent on a reconnaissance mission to investigate a bizarre energy signal in the desert. They discover that the signal is coming from a Polarity Gauntlet, a weapon that manipulates magnetic fields. However, they soon come into conflict with Breakdown and Airachnid, who both want the Gauntlet for themselves. In the end, though, Arcee and Bulkhead are successful while Breakdown returns to Megatron empty handed aside from Airachnid, who rejoins the Decepticons.
1919"Rock Bottom"Shaunt NigoghossianTim JonesJuly 16, 2011 (2011-07-16)119
Bulkhead, Arcee, Jack and Miko investigate an old Decepticon Energon mine that was supposedly stripped clean. Megatron and Starscream arrive shortly after, with the former accusing the latter of hoarding Energon. Interrupted before he can commit murder by Jack and Arcee, Megatron opens fire and collapses the mine, burying everyone inside, and Bulkhead must rescue Miko before she runs out of oxygen.
2020"Partners"Vinton HeuckMike JohnsonJuly 23, 2011 (2011-07-23)120

Megatron sends Starscream and Airachnid to the site of a crashed Decepticon ship to recover the Immobilizer, a powerful weapon with the ability to freeze Transformers in their tracks. But after the Autobots discover that Starscream has been double-crossed by Airachnid, they are surprised when Starscream states that he wishes to join them...

Note: This episode is dedicated to the memory of Captain H.L. Larry Cullen (Peter Cullen's older brother who helped inspire Optimus Prime's voice), who died in March 2011.
2121"T.M.I."Todd WatermanJoseph KuhrSeptember 10, 2011 (2011-09-10)121
During a fight between the Autobots and the Decepticons over a Data Cylinder, a device containing knowledge of Cybertronian society, Miko rushes out to help and attempts to push the Cylinder into an open Ground Bridge. Instead, she accidentally activates it, which downloads all of its information - in this case the formula for a Synthetic Energon - into Bulkhead's brain. Soon, Bulkhead begins to rhyme off the complicated formula, painting the equation on the walls, and Miko becomes scared when her friend's personality and memories begin to slip away.
2222"Stronger, Faster"Shaunt NigoghossianMairghread ScottSeptember 17, 2011 (2011-09-17)122
Ratchet tests the Synthetic Energon formula obtained by Bulkhead from the Data Cylinder on various engines. Feeling the desire to take a more active role in the missions, he injects himself with the formula. At first the results are positive, with the formula greatly increasing Ratchet's strength, speed and agility. But before long, the formula starts to have negative effects on his personality.
2323"One Shall Fall"Vinton HeuckDuane Capizzi & Joseph KuhrSeptember 24, 2011 (2011-09-24)123

Optimus Prime recites a passage from the Covenant of Primus, detailing a doomsday prophecy connected to Earth and involving Megatron. After Megatron attacks Rafael and Bumblebee, leaving Rafael unconscious and severely injured, Optimus realizes that he can't end the Autobot-Decepticon conflict diplomatically, and decides to confront Megatron and destroy him once and for all.

Debuts: Unicron
2424"One Shall Rise, Part 1"Todd WatermanNicole Dubuc & Duane CapizziOctober 1, 2011 (2011-10-01)124
Unicron the Chaos-Bringer, a malevolent ancient being, awakens from the center of the Earth after millennia of stasis, causing an epidemic of natural disasters across the globe, and sending Dark Energon erupting from volcanoes. Optimus explains the history of Unicron and his battle with Primus, deducing that Unicron is actually the Earth's core, while Megatron attempts to pledge his allegiance to the Chaos-Bringer.
2525"One Shall Rise, Part 2"Shaunt NigoghossianMarsha GriffinOctober 8, 2011 (2011-10-08)125
After assisting the Autobots in a fight against an army of Unicron's stone avatars, Megatron forms an uneasy alliance with his enemies to defeat Unicron and save the Earth from destruction. The Autobots and Megatron then travel to the Earth's core, planning to send Unicron back into stasis using the Matrix of Leadership.
2626"One Shall Rise, Part 3"Vinton HeuckSteven MelchingOctober 15, 2011 (2011-10-15)126
While Ratchet tells Jack and the other humans about Optimus Prime's history on Cybertron, the battle begins at the Earth's core, with Megatron and the Autobots battling against Unicron's bat-like anti-bodies to reach the Chaos-Bringer's spark chamber.

Season 2 (2012)[edit]

No. in
No. in
Title Directed by Written by U.S. original air date Production
271"Orion Pax, Part 1"Vinton HeuckNicole DubucFebruary 18, 2012 (2012-02-18)201
Optimus Prime loses all memory of being a Prime after using the Matrix of Leadership to send Unicron back into stasis. Megatron takes advantage of this and takes "Orion"(Optimus's name before becoming a Prime) on to the Nemesis, convincing him the Decepticons are good and the Autobots are evil (Before becoming a Prime, Optimus and Megatron were close friends). The Autobots are distraught at this turn of events, and upon discovering that Jack has the Key to Vector Sigma (an ancient super-computer containing infinite knowledge), they devise a plan to get their leader back.
282"Orion Pax, Part 2"Scooter TidwellMairghread ScottFebruary 25, 2012 (2012-02-25)202

With the help of information from Starscream, the Autobots commandeer the Decepticons' space bridge to send Jack and Arcee to the Transformers' home world of Cybertron, with a plan to use the information stored in Vector Sigma to restore Optimus' memories. Meanwhile, after a run-in with Starscream (whom Megatron claimed was dead), Orion wonders if Megatron is telling him the whole truth.

Debuts: Insecticons
293"Orion Pax, Part 3"Shaunt NigoghossianJoseph KuhrMarch 3, 2012 (2012-03-03)203

On Cybertron, while searching for Vector Sigma, Jack and Arcee are attacked by an Insecticon and a swarm of Scraplets. On the Nemesis, Orion becomes ever more curious about who he really is, so he begins to rebel against Megatron and uncover the elaborate lies put in front of him. Later, Megatron distracted by Arcee fails to prevent Jack from endowing the knowledge acquired from the Vector Sigma, and Optimus regains his lost memory but loses what he had acquired during his stay on the Nemesis.

Final Appearance: Scraplets
304"Operation: Bumblebee, Part 1"Todd WatermanMarty IsenbergMarch 10, 2012 (2012-03-10)204
The hunt begins for ancient Cybertronian relics hidden on Earth. One such relic is unearthed by Megatron and the Decepticons, which is revealed to be the Spark Extractor during the ensuing conflict. Later, while investigating an energy signature which could be another relic, Bumblebee is ambushed by M.E.C.H., who knock him out and steal his T-cog (the device that enables Transformers to scan alternate modes and transform). Left unable to transform into vehicle mode, Bumblebee has no choice but to stay at base. Dissatisfied with that option, he and Bulkhead secretly investigate another energy signature, which leads to an escaping Knock Out and Breakdown, the former of which had just acquired a relic from a cave, the Shield Generator. An improvised chase follows. Meanwhile, Starscream approaches Silas (the leader of M.E.C.H.) and offers advice and knowledge on Cybertronian anatomy.
315"Operation: Bumblebee, Part 2"Vinton HeuckNicole DubucMarch 17, 2012 (2012-03-17)205
Still feeling guilty about failing to repair Bumblebee's voice box during the war, Ratchet offers to give Bumblebee his own T-cog via transplant. While Optimus, Bulkhead and Arcee are out retrieving another Iacon relic, the Forge of Solus Prime, Agent Fowler calls the base with news about newly discovered coordinates of a M.E.C.H. hideout. Seeing an opportunity, Bumblebee storms the hideout to get his T-cog back.
326"Loose Cannons"Scooter TidwellDavid McDermottMarch 24, 2012 (2012-03-24)206

Wheeljack returns to Earth in pursuit of the Decepticon Dreadwing, Skyquake's twin brother who is responsible for the death of the Wrecker Seaspray, and asks for Team Prime's help in apprehending him. While Bulkhead is excited about seeing his best friend again, Optimus Prime soon becomes concerned with Wheeljack's recklessness, aggression, and disregard for civilians during their search for Dreadwing.

Debuts: Dreadwing and Seaspray

Deaths: Seaspray
337"Crossfire"Shaunt NigoghossianMarty IsenbergMarch 31, 2012 (2012-03-31)207

Megatron sends Breakdown, Airachnid and Dreadwing in search of Energon in a forest, with Airachnid unaware that her comrades have actually been ordered to terminate her for treason. She catches on to the plan and flees, killing Breakdown in the process, and upon encountering a lone Insecticon, she uses her abilities to control it, and challenges Megatron to a fight to the death, but not before having it attack Starscream. Starscream passes on the Insecticon's presence on Earth, leading to the Autobots becoming involved and another face-off between Arcee and Airachnid.

Deaths: Breakdown
348"Nemesis Prime"Todd WatermanDavid McDermottApril 7, 2012 (2012-04-07)208

M.E.C.H. produces a clone of Optimus Prime (which Miko off-handedly names Nemesis Prime) and sets it loose on a military base, where it wreaks havoc. The United States Military immediately attributes the chaos to the real Optimus, and order the Autobots be shot on sight. While Agent Fowler tries to convince his superiors that Optimus did not attack the base, Team Prime tries to track down Nemesis Prime and clear their names.

Debuts/Deaths: Nemesis Prime

Note: The music playing on Fowler's car radio is a remix of the song "The Touch" by singer/guitarist Stan Bush.
359"Grill"Kevin AltieriDuane CapizziApril 14, 2012 (2012-04-14)209

Agent Fowler is forced to explain recent events to his superior, General Bryce. Threatened with a military tribunal and Team Prime's termination, Fowler tries to convince Bryce that the Autobots are still on the military's side, but Bryce believes that Optimus went rogue and has perished, failing to fully understand that Nemesis Prime was not the real Optimus.

Debuts: General Bryce
3610"Armada"Vinton HeuckMatt WayneApril 21, 2012 (2012-04-21)210

Bulkhead accidentally becomes trapped on board the Nemesis while on a scouting mission, and tries to escape without being discovered. Meanwhile, Starscream and Airachnid send their newly-gained armies (Starscream's being five clones of himself, and Airachnid's being a hive of Insecticons) to the Nemesis, both intending to kill Megatron.

Debuts/Deaths: Starscream clones
3711"Flying Mind"Scooter TidwellRobert N. SkirApril 28, 2012 (2012-04-28)211
The Nemesis crashes on a mountainside with its engines badly damaged. Megatron attempts to restart the engines with Dark Energon, which works, but has an unexpected side effect: the ship develops a mind of its own and rebels against its own crew. With the ship flying out of control and both the Autobots and Decepticons frozen in stasis, Jack, Miko, Rafael, and Agent Fowler are left as the only ones who can stop its rampage.
3812"Tunnel Vision"Shaunt NigoghossianAndrew R. RobinsonMay 5, 2012 (2012-05-05)212
Having discovered the locations of four Iacon relics hidden across the globe, Team Prime splits up into small groups and head to each location simultaneously to retrieve them. Arcee, Bumblebee, Jack and Miko travel to New York City to find the first relic, the Phase Shifter (a device that enables its user to walk through solid objects), which is buried deep in the city's underground subway tunnels. During their search, Arcee and Bumblebee are attacked by Knock Out and an Insecticon, while Jack and Miko run into a maintenance worker and try to prevent him seeing the Transformers.
3913"Triangulation"Todd WatermanDavid McDermottMay 12, 2012 (2012-05-12)213
Optimus Prime heads to Antarctica to look for the second Iacon relic, the Apex Armor, a full-body suit of indestructible armor that expands from a small disc. He forces a rogue Starscream (Who's curious as to why the Decepticons are dispatching teams to four continents) at gunpoint to lead him to it. Trouble arises when Dreadwing arrives, who is also searching for the relic and attempting to bring Starscream back to Megatron for interrogation. The Decepticon is forced to join forces with the leader of the Autobots when Starscream acquires the Apex Armor in a bid to avoid being executed by either of them.
4014"Triage"Vinton HeuckMarty IsenbergMay 19, 2012 (2012-05-19)214
Ratchet reluctantly calls upon Wheeljack for back-up in his mission to retrieve the third Iacon relic, a sonic weapon called the Resonance Blaster. On their way to the location, the two Autobots are attacked by Soundwave, but Wheeljack manages to shoot down and disable Soundwave's surveillance drone Laserbeak, which gives Ratchet an idea. While Wheeljack and Soundwave fight over the Resonance Blaster, Ratchet tells Rafael to upload a virus into Laserbeak's systems that will download the entire Iacon Database into the Autobot base's computers without the Decepticons noticing.
4115"Toxicity"Scooter TidwellSteven MelchingMay 26, 2012 (2012-05-26)215

Bulkhead goes to a volcanic island on the Equator to find the fourth and final Iacon relic. But to his horror, he discovers that the relic is a piece of Tox-En, a form of highly toxic Energon that is lethal to Transformers. He tries to dispose of the Tox-En by throwing it into a volcano, but it deteriorates his strength, and things are made worse when a group of Insecticons led by Hardshell arrive in search of the relic.

Debuts: Hardshell
4216"Hurt"Shaunt NigoghossianMairghread ScottAugust 24, 2012 (2012-08-24)216

Bulkhead is left in a critical condition and on the verge of death after his fight with the Insecticons and exposure to Tox-En. Distraught about what has happened to their friend, Miko and Wheeljack head out to find Hardshell and get revenge.

Deaths: Hardshell
4317"Out of the Past"Todd WatermanMike JohnsonAugust 31, 2012 (2012-08-31)217

Miko becomes frustrated with Bulkhead's slow recovery and storms out of the base. Finding Miko weeping by herself, Arcee tries to cheer her up by telling the story of how she and her last battle partner Cliffjumper first came to Earth. Starscream had captured Arcee and Cliffjumper and took them to be interrogated by the Decepticon scientist Shockwave, and upon escaping they discover Shockwave's plan to build a space bridge to Earth.

Debuts: Shockwave
4418"New Recruit"Vinton HeuckMarty IsenbergSeptember 7, 2012 (2012-09-07)218

During a fight with the Decepticons, Team Prime is unexpectedly aided by Smokescreen, a young and impulsive Autobot. Despite Arcee and Ratchet's distrust in the newcomer, Optimus Prime invites Smokescreen to the base for further training. Meanwhile, Starscream discovers that a meteorite of Red Energon (which grants the consumer enhanced speed) has crashed on Earth, and sets out to claim it for himself.

Debuts: Smokescreen
4519"The Human Factor"Scooter TidwellRobert N. SkirSeptember 14, 2012 (2012-09-14)219

M.E.C.H. scientists implant the dying Colonel Leland Bishop (aka Silas) into a battle armor and life-support system made from Breakdown's dead body. Silas kills the scientists and approaches Megatron, introducing himself as C.Y.L.A.S. (Cybernetic Life Augmented by Symbiosis), asking for a position in the Decepticon ranks and offering to aid their cause with Project: Damocles, a satellite-based laser weapon system of his own invention.

Deaths: M.E.C.H. soldiers
4620"Legacy"Shaunt NigoghossianMarsha GriffinSeptember 21, 2012 (2012-09-21)220
Optimus Prime gives Jack the task of helping Smokescreen learn about human society and adapt to living on Earth. The Decepticons detect another Iacon relic, the legendary Star Saber, and Megatron sends out a set of decoy coordinates to distract the Autobots, so he can claim the Star Saber for himself.
4721"Alpha Omega"Todd WatermanDavid McDermottSeptember 28, 2012 (2012-09-28)221

Optimus Prime discovers that the Star Saber is embedded with a message from his former mentor Alpha Trion. In this message, Alpha Trion explains about four Iacon relics called the Omega Keys, which when brought together are able to make Cybertron inhabitable again. Meanwhile, Megatron opens the tomb of one of the late thirteen original Prime on Cybertron, taking an arm and having it attached to him so he can use the Forge of Solus Prime to build a Dark Energon weapon strong enough to counter the Star Saber: the Dark Star Saber!

Debuts: Alpha Trion
4822"Hard Knocks"Vinton HeuckMairghread ScottOctober 5, 2012 (2012-10-05)222
Team Prime continue to collect the Omega Keys, but the Decepticons (who are unaware of what the keys can do, but are curious about Team Prime's determination to have them) out-smart them at every turn. After Smokescreen storms out of the base, blaming himself for the team's failure to obtain the keys, the decoded coordinates of the final key reveal it is inside Smokescreen's body. The Autobots head out to warn him, but he is captured by Soundwave and Laserbeak.
4923"Inside Job"Scooter TidwellRobert N. SkirOctober 12, 2012 (2012-10-12)223
With Smokescreen being held captive and interrogated on board the Nemesis, Knock Out uses the Phase Shifter to remove the fourth Omega Key from within his body. Breaking free from his restraints by stealing the former relic back, Smokescreen sets about retrieving two of the keys, as well as escaping the ship. Though he is successful, Starscream uses Red Energon to gain hyper-speed and sneaks into the Autobot base to steal all four keys for himself.
5024"Patch"Shaunt NigoghossianDuane CapizziOctober 19, 2012 (2012-10-19)224
Starscream approaches Megatron with all four Omega Keys, having stolen them from the Autobot base, and proposes a truce to rejoin the Decepticons. Megatron suspects that Starscream is up to something, and orders Knock Out to set up a cortical psychic patch so he can determine his true intentions, this leads Dreadwing to realize that his twin Skyquake fell under starscream's command and that the latter resurrected him as a Terrorcon.
5125"Regeneration"Todd WatermanMarsha GriffinOctober 26, 2012 (2012-10-26)225

Disillusioned with the Decepticon cause for letting Starscream back to their ranks, Dreadwing offers the Forge of Solus Prime to the Autobots. He then seeks revenge on Starscream for desecrating his twin, but Megatron kills him to reluctantly save Starscream. As Megatron subsequently unleashes his forces on Cybertron, Optimus Prime uses the Forge to upgrade the ground bridge into a space bridge. Armed with every Iacon relic they have, the Autobots head to Cybertron to find the Omega Lock, the device needed to restore Cybertron with the Omega Keys.

Deaths: Dreadwing
5226"Darkest Hour"Vinton HeuckSteven MelchingNovember 2, 2012 (2012-11-02)226

Megatron activates the Omega Lock and starts restoring Cybertron, but he then reveals he is also going to use the Lock's power to turn Earth into a mechanical planet - which would kill all of its inhabitants. Optimus Prime destroys the Lock before it can finish its restoration, saving Earth but dooming Cybertron. The Autobots retreat back to Earth, only to find a gigantic fortress has appeared outside their base - which makes it clear that the Decepticons have finally discovered the base's location.

Debuts: Seekers

Season 3: Beast Hunters (2013)[edit]

No. in
No. in
Title Directed by Written by U.S. original air date Production
531"Darkmount, NV"Shaunt NigoghossianMarsha GriffinMarch 22, 2013 (2013-03-22)301
With their base destroyed, the Autobots and their human companions have separated and gone into hiding, while the Decepticons send their forces to hunt down and destroy them. Meanwhile, Optimus struggles to survive after being injured during Megatron's attack on Earth.
542"Scattered"Vinton HeuckSteven MelchingMarch 29, 2013 (2013-03-29)302

As the Autobots try to re-group, Shockwave arrives in Darkmount after years of isolation on Cybertron, and is welcomed back into the Decepticon ranks. Wheeljack escapes from Darkmount and sets off to rendezvous with Bulkhead and Miko, unaware that Starscream has planted a tracking device on him.

Debuts: Commander Ultra Magnus and Predaking
553"Prey"Todd WatermanMarsha GriffinApril 5, 2013 (2013-04-05)303
After Starscream's armada fails to apprehend Wheeljack, Shockwave introduces Predaking, an enormous reptilian creature created in Shockwave's laboratory and specially bred to hunt down Autobots. Meanwhile, high-ranking Autobot general Ultra Magnus arrives on Earth and sets about reuniting the scattered members of Team Prime.
564"Rebellion"Scooter TidwellSteven MelchingApril 12, 2013 (2013-04-12)304

The Autobots attack Darkmount in an attempt to disable its firepower to allow human military to destroy it. As Optimus prepares to join with the AllSpark, Smokescreen uses the Forge to repair him, and makes him a new, more powerful body. Optimus joins the Autobots at Darkmount and, with human support, destroys the fortress.

Final Appearances: Decepticon Miners and Alpha Trion

Deaths: Optimus Prime (revived)
575"Project Predacon"Shaunt NigoghossianDuane CapizziMay 17, 2013 (2013-05-17)305

The Autobots adjust to new group dynamics within their expanded team and Optimus Prime scans a new vehicle form, but Smokescreen privately starts to regret not becoming a Prime. The Decepticons, having found fossilized Predacon bones on Earth, launch a scheme to clone an army of Predacons through the same method that created Predaking.

Debuts: Bombshock
586"Chain of Command"Vinton HeuckMairghread ScottMay 24, 2013 (2013-05-24)306
Ultra Magnus, Wheeljack, Bulkhead and Miko are in the wilderness of The Hebrides Bluffs in Scotland investigating a Decepticon excavation site for Predacon fossils, but tension builds between the group as Wheeljack acts recklessly and ignores Magnus's commands. On the Nemesis, Starscream is given the task of training Predaking, but he struggles to get the uncooperative beast to follow orders. Meanwhile, Miko gets her hands on the Apex Armor.
597"Plus One"Todd WatermanGreg WeismanMay 31, 2013 (2013-05-31)307
While Arcee and Wheeljack are on a mission to gather a Predacon bone, Agent Fowler and June collect another bone in storage at a museum. As they leave, Knock Out captures them and holds them hostage in the trunk of his vehicle mode, but soon finds that he is unable to call for a Ground Bridge because the communications systems on the Nemesis are damaged by Predaking.
608"Thirst"Scooter TidwellMarsha GriffinJune 7, 2013 (2013-06-07)308

Knock Out is researching Ratchet's incomplete Synthetic Energon formula, and is using C.Y.L.A.S., still implanted within Breakdown's corpse, as a test subject. The formula makes C.Y.L.A.S. extremely aggressive, so Starscream suggests injecting him with Dark Energon to make him easier to control. However, the mixture of the two Energons turns C.Y.L.A.S. into a mindless vampire craving fresh Energon, and he wanders the ship infecting any crew member he encounters by draining their Energon. During the chaos, Soundwave banishes Airachnid and the Insecticons from the Nemesis, and the episode ends with the infected Airachnid feasting on the Insecticons to survive.

Deaths: Silas/C.Y.L.A.S. Final appearances: Airachnid and Insecticons

Note: This is the only episode not to feature the Autobots.
619"Evolution"Shaunt NighoghossianSteven MelchingJune 28, 2013 (2013-06-28)309
The Predacon army is almost fully grown and ready for deployment, but Predaking suddenly surprises everyone by revealing he is able to transform and is more intelligent than first thought. Despite Predaking pledging his loyalty, Megatron still worries that he will eventually lead the Predacons to rebel against the Decepticons, so he plans to terminate Project: Predacon by leading the Autobots to the laboratory and having them unwittingly destroy the clones for them.
6210"Minus One"Vinton HeuckMichael CassuttJuly 5, 2013 (2013-07-05)310
Having discovered that the combination of Predacon CNA and Synthetic Energon creates raw cyber-matter (the substance Cybertron is made of), the Decepticons plan to repair the Omega Lock, restore Cybertron and cyberform Earth through this process. While gathering equipment for the project, Soundwave is captured by the Autobots, who take him to their base and try to interrogate him about Megatron's plans, but he deletes all of his information and shuts himself down. Laserbeak eventually finds the base and re-activates Soundwave, who proceeds to capture Ratchet.
6311"Persuasion"Todd WatermanMichael G. SternJuly 12, 2013 (2013-07-12)311

The Decepticons hold Ratchet captive, and Megatron attempts to persuade him to help complete the Synthetic Energon formula and restore Cybertron. Rafael and Wheeljack build a flying drone and attach Laserbeak's transponder (which Smokescreen shot off) to it, in the hope that Laserbeak's navigation systems will lead the Autobots to Ratchet so they can rescue him.

Debuts: Chip
6412"Synthesis"Scooter TidwellMarsha GriffinJuly 19, 2013 (2013-07-19)312

Ratchet reluctantly agrees to help the Decepticons perfect the Synthetic Energon formula, but he sabotages the project and tries to escape from the Nemesis. The Autobots launch their drone and Optimus Prime follows it, but is confronted by Starscream and the drone is destroyed. Megatron leaves Ratchet at the mercy of the vengeful Predaking, but Ratchet helps the Predacon realize that the Decepticons were behind the destruction of his army. Predaking attacks Megatron but is ejected from the ship, giving Ratchet enough time to contact the Autobots and provide the ship's location.

Deaths: Chip

Note: This episode is dedicated to the memory of Armen Mirzaian (one of the series' storyboard artists) who lost his life in a car accident in February 2013.
6513"Deadlock"Shaunt NigoghossianSteven MelchingJuly 26, 2013 (2013-07-26)313

The Autobots storm the Nemesis and try to reach the Omega Lock before the Decepticons can activate it and cyberform Earth. As the other Autobots fight off the Decepticon army, Jack, Miko, and Raf trap Soundwave in the Shadowzone, Optimus Prime and Megatron engage in a final showdown. During their clash, Megatron fatally shoots Bumblebee, but the scout is revived by the Omega Lock's Cyber Matter and kills Megatron, regaining his voice. Starscream and Shockwave escape, and the Autobots restore Cybertron. Saying farewell to their human allies and Ratchet, who decided to remain behind, the Autobots leave Earth to begin rebuilding their home.

Deaths: Megatron and Bumblebee (revived)

Final appearances: Soundwave, Laserbeak, Jack Darby, Rafael Esquievel, Miko Nakadai, William Fowler, June Darby, and Seekers

TV movie[edit]

Title Directed by Written by U.S.A original air date
"Transformers Prime Beast Hunters: Predacons Rising"Vinton Heuck, Scooter Tidwell, and Todd WatermanDuane Capizzi, Marsha Griffin, and Steven MelchingOctober 4, 2013 (2013-10-04)

Unicron has taken over Megatron's body to get revenge on the Autobots and destroy Cybertron, and it is up to the Autobots, the Decepticons and the Predacons to form an alliance to stop him.

Debuts: Darksteel and Skylynx Final Appearances: Optimus Prime, Bumblebee, Arcee, Bulkhead, Wheeljack, Ultra Magnus, Smokescreen, Ratchet, Megatron, Shockwave, Starscream, Knockout, Vehicons, Unicron, Predaking, Darksteel and Skylynx

Deaths: Optimus Prime (revived)