Video Sources
Synopsis
The untold origin story of Optimus Prime and Megatron, better known as sworn enemies, but once were friends bonded like brothers who changed the fate of Cybertron forever. 
Original title Transformers One
Director
Director
Cast
Orion Pax / Optimus Prime (voice)
D-16 / Megatron (voice)
Elita (voice)
B-127 / Bumblebee (voice)
Starscream (voice)
Alpha Trion (voice)
Sentinel Prime (voice)
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