Transformers: The Headmasters bot Headmasters, led by Cerebros return to their home planet to aid in its defense. The situation soon gets worse when it is revealed that Vector Sigma, the super-computer at the planet's heart, was destabilizing, and Optimus Prime again sacrifices his life to save Cybertron. This soon proves to be only delaying the inevitable, however, when a bomb attack instigated by Scorponok turns Cybertron into a burnt-out, inhospitable husk. Rodimus Prime departs to search for a new planet for the Transformers to live on, leaving Cerebros in command, operating from the planet Athenia. Meanwhile, Scorponok replaces Galvatron - who had
Planet of the Apes 1981, Fox reedited ten of the episodes into five television films. Each film combined two episodes and (in some markets) added new introductory and concluding segments starring McDowall as an aged Galen. The films were given what scholar Eric Greene calls "the most outlandish titles of the "Apes" corpus": "Back to the Planet of the Apes"; "Forgotten City of the Planet of the Apes"; "Treachery and Greed on the Planet of the Apes"; "Life, Liberty and Pursuit on the Planet of the Apes"; and "Farewell to the Planet of the Apes". Greene finds the show's position in the "Apes" timeline