Beast Wars: Transformers (1996)

S01E22 The Low Road

Title: The Low Road Plot: Tarantulas unleashes a virus on Rhinox, triggering a reaction that makes him expel raw energon and swiftly draining the Maximal's energy reserves. In response, Optimus dispatches Dinobot and Rattrap to find a cure. Their quest leads them into the depths of the spider’s subterranean hideout...