Transformers Prime: Beast Hunters Season 3 Episode 12 Synthesis Episode Title:Synthesis.Episode Description:Ratchet reluctantly agrees to help the Decepticons perfect the synthetic energon formula. But once it is completed, he decides he can't allow the Decepticons to have it or finish building their new Omega Lock, so he sabotages the project and tries to escape from the ship. The Autobots launch their drone and Optimus Prime follows it, but along the way he is confronted by Starscream and his armada. During the confrontation, Chip is destroyed by Starscream. Optimus tries to attack Starscream to avenge Chip’s death, but Starscream manages to escape through a Ground Bridge.