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1979 * Animation, Sci-Fi & Fantasy

Follows Flash and his companions as they travel to Mongo, where they are forced into battle by its ruler, Ming the Merciless, his daughter Princess Aura, and his army of Metal Men. To help their cause the heroes lead the formation of an alliance beginning with King Thun, leader of the Lion People; Prince Barin, ruler of Arboria; and King Vultan, leader of the Hawkmen.