Watching 1. Darkness Rising (1)
22mThe Autobots go on alert as the Decepticons return to Earth in the series opener, Meanwhile a group of humans find themselves with new caretakers after stumbling into the middle of the Autobot conflict with the Decepticons.
2. Darkness Rising (2)
21mThe Autobots go in search of Cliffjumper, whose life signal is weak and find Megatron wielding the dangerous dark Energon.
3. Darkness Rising (3)
21mBulkhead is unknowingly shadowed by Miko as he goes to rescue Agent Fowler, who was kidnapped by the Decepticons.
4. Darkness Rising (4)
21mThe Autobots try to stave off an attack from Megatron's Terrorcons to protect their human wards.
5. Darkness Rising (5)
21mThe Decepticons and the Terrorcons go into battle against the Autobots.
6. Masters & Students
21mStarscream pursues other interests while Skyquake battles with Optimus Prime and Bumblebee.
7. Scrapheap
21mScraplets invade HQ while Optimus and Arcee patrol the Arctic, leaving Bumblee and Ratchet to repel the enemy.
8. Con Job
21mBulkhead awaits a visit from his buddy Wheeljack, but his arrival does not go as planned.
9. Convoy
21mThe Autobots are attacked while helping Agent Fowler transport an implosion device.
10. Deus Ex Machina
21mMiko and Bulkhead go up against Starscream and Breakdown as they go to Greece to retrieve an Energon Harvester.
11. Speed Metal
21mJack tries to be impressive, with Bumblebee's help, but Knockout's arrivals sends things out of control.
12. Predatory
21mArcee must protect Jack when a routine mission is complicated by Airachnid's arrival.
13. Sick Mind
21mA Decepticon plague infects Optimus Prime, so Arcee and Bumblebee sneak onto the Nemesis to find the cure.
14. Out of His Head
21mMegatron controls Bumblebee from inside his mind and influences his behavior at HQ.
15. ShadowZone
21mThe kids are stranded with Skyquake in an alternate dimension during a GroundBridge malfunction.
16. Operation: Breakdown
21mMECH agents capture a Decepticon, and the Autobots mount a rescue.
17. Crisscross
21mAirachnid makes a deal with Silas to get revenge against Arcee and Jack.
18. Metal Attraction
21mThe Autobots try to claim a magnetic weapon before the Decepticons get to it.
19. Rock Bottom
21mTwo patrolling Autobots end up trapped in a cave with their enemies, Starscream and Megatron.
20. Partners
21mStarscream makes an unexpected request after he is captured by Optimus.
21. T.M.I.
21mBulkhead acquires a top-secret formula, and the Decepticons come after him for it.
22. Stronger, Faster
21mRatchet becomes a threat to everyone after he injects himself with an experimental substance.
23. One Shall Fall
21mThe Decepticons quickly try to build a space bridge before a prophesied darkness arrives.
24. One Shall Rise (1)
21mEarth has an outbreak of natural disasters, caused by Dark Energon.
25. One Shall Rise (2)
21mThe Autobots acquire a surprising ally in their battle to save Earth.
26. One Shall Rise (3)
21mThe Autobots go to the Earth's core to fight for the planet; and Jack uncovers info about Optimus' background.