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Challenge of the GoBots (also known as Mighty Machine Men) is an American animated series produced by Hanna-Barbera Productions, based on the Gobots toy-line released from Tonka. Most of the... More

Challenge of the GoBots (also known as Mighty Machine Men) is an American animated series produced by Hanna-Barbera Productions, based on the Gobots toy-line released from Tonka. Most of the toys were imported from the Japanese toy line Machine Robo.