

Challenge of the GoBots is an American animated series produced by Hanna-Barbera, based on the Gobots toy-line released from Tonka. The show originally debuted in animated form as a five-part miniseries, which aired in syndication from October 29 - November 2, 1984. A regular series followed the next year, premiering on September 16, 1985 as part of the new weekday/weekend morning programming block called The Funtastic World of Hanna-Barbera. The series was later rerun on the USA Cartoon Express.

Oct 29, 1984 - 30m
Facing defeat on GoBotron, renegade GoBots Cy-Kill and his cronies Crasher and Cop-Tur, steal an experimental GoBot weapon called Astro-Beam. They plan to conquer Earth and use it as a staging ground in their war for GoBotron.

Oct 30, 1984 - 30m
The Guardians contend with the monster Zod when the Renegades attack the Arctic island of Stolbovoy to obtain the energy source sorium.

Oct 31, 1984 - 30m
Cy-Kill attacks the US military and uses the sorium to power a device that seizes control of the minds of every human on Earth.

Nov 1, 1984 - 30m
With the world against them and Leader-1 captured by the Renegades, Turbo and Scooter go on the run.

Nov 2, 1984 - 30m
The reunited Guardians must break Cy-Kill's hold over Earth in order to save GoBotron from a mass-produced fleet of Zods.