"Orion Pax" is the season two premiere three-part episode of Transformers: Prime. This follows the Autobots trying to restore Optimus Prime's memories while he is tricked into joining the Decepticons.
Megatron manipulates the impaired Optimus into joining the Decepticons.
Jack learns how to restore Optimus's memory.
Orion rebels against Megatron and the Autobots try to get their leader back.
"And the first the first to address him as Optimus Prime will have their voice box torn out."
- —Megatron shows how he maintains discipline.
"What? You needed that?!"."
- —Bulkhead starts breaking the cycle of breaking Ratchet's things by interrupting his complaints.