Transformers: Prime - S1 E1

2. Darkness Rising (2)

The Autobots go in search of Cliffjumper, whose life signal is weak and find Megatron wielding the dangerous dark Energon.

3. Darkness Rising (3)

Bulkhead is unknowingly shadowed by Miko as he goes to rescue Agent Fowler, who was kidnapped by the Decepticons.

4. Darkness Rising (4)

The Autobots try to stave off an attack from Megatron's Terrorcons to protect their human wards.

5. Darkness Rising (5)

The Decepticons and the Terrorcons go into battle against the Autobots.

6. Masters & Students

Starscream pursues other interests while Skyquake battles with Optimus Prime and Bumblebee.

7. Scrapheap

Scraplets invade HQ while Optimus and Arcee patrol the Arctic, leaving Bumblee and Ratchet to repel the enemy.

8. Con Job

Bulkhead awaits a visit from his buddy Wheeljack, but his arrival does not go as planned.

9. Convoy

The Autobots are attacked while helping Agent Fowler transport an implosion device.

10. Deus Ex Machina

Miko and Bulkhead go up against Starscream and Breakdown as they go to Greece to retrieve an Energon Harvester.

11. Speed Metal

Jack tries to be impressive, with Bumblebee's help, but Knockout's arrivals sends things out of control.

12. Predatory

Arcee must protect Jack when a routine mission is complicated by Airachnid's arrival.

13. Sick Mind

A Decepticon plague infects Optimus Prime, so Arcee and Bumblebee sneak onto the Nemesis to find the cure.

14. Out of His Head

Megatron controls Bumblebee from inside his mind and influences his behavior at HQ.

15. ShadowZone

The kids are stranded with Skyquake in an alternate dimension during a GroundBridge malfunction.

16. Operation: Breakdown

MECH agents capture a Decepticon, and the Autobots mount a rescue.

17. Crisscross

Airachnid makes a deal with Silas to get revenge against Arcee and Jack.

18. Metal Attraction

The Autobots try to claim a magnetic weapon before the Decepticons get to it.

19. Rock Bottom

Two patrolling Autobots end up trapped in a cave with their enemies, Starscream and Megatron.

20. Partners

Starscream makes an unexpected request after he is captured by Optimus.

21. T.M.I.

Bulkhead acquires a top-secret formula, and the Decepticons come after him for it.

22. Stronger, Faster

Ratchet becomes a threat to everyone after he injects himself with an experimental substance.

23. One Shall Fall

The Decepticons quickly try to build a space bridge before a prophesied darkness arrives.

24. One Shall Rise (1)

Earth has an outbreak of natural disasters, caused by Dark Energon.

25. One Shall Rise (2)

The Autobots acquire a surprising ally in their battle to save Earth.

26. One Shall Rise (3)

The Autobots go to the Earth's core to fight for the planet; and Jack uncovers info about Optimus' background.