Triangulation
Optimus Prime travels to Antarctica to hunt down the second relic, but while there he is confronted by Dreadwing and Starscream, and finds himself caught between shifting alliances.
More from Season 2
Episode 1
Orion Pax (1)
Megatron manipulates the impaired Optimus into joining the Decepticons.
Episode 2
Orion Pax (2)
Jack learns how to restore Optimus' memory.
Episode 3
Orion Pax (3)
Optimus begins to piece together his real identity using several clues (including Starscream referring to his as a "prime" -- whoops!), and eventually rebels against Megatron’s orders. Meanwhile, Optimus' Autobot pals hatch a risky plan to get their leader back.
Episode 4
Operation: Bumblebee (1)
Bumblebee questions his worthiness to his team after he is compromised.
Episode 5
Operation: Bumblebee (2)
Bumblebee discovers that MECH and Starscream are responsible for his troubles; Ratchet confronts demons from his Cybertronian past.
Episode 6
Loose Cannons
Wheeljack returns to Earth, hot on the the trail of Skyquake's brother Dreadwing.