Challenge of the GoBots (or GoBots: Mighty Robots, Mighty Vehicles), 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 to November 2, 1984. A regular series followed the next year, premiering on September 16, 1985 as part of the weekday and weekend morning programming block The Funtastic World of Hanna-Barbera.