What's happening?

Transformers: Prime: 2x3

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.

Transformers: Prime: Season 2 Episode 3
Mar. 03, 2012