Beast Wars: Transformers (1996)

S1E8 Double Jeopardy

Title: Double Jeopardy Plot: Following a string of assaults from the Predacons that results in the loss of a stasis pod, Optimus grows suspicious of Rattrap's allegiance and tasks him with venturing into Predacon territory to search for energon. While on his mission, Rattrap encounters Terrorsaur, who launches an attack. In a surprising twist, Rattrap proposes to capitulate and join the Predacon ranks.