Oton and the Time Creatures are from the future and they want to destroy everything from the past. Oton and the Creatures attack Dorno, Gleep, and Tundro, capturing Dorno and returning with him to the future. Zandor uses Oton's time device to propel himself and the Herculoids 5,000 years in the future. Oton sends his space tanks to destroy the Herculoids but are heroes emerge triumphant. Zandor and the Herculoids rescue Dorno and return to their own time.
Elenco: Don Messick , Virginia Gregg , Mike Road , Sparky Marcus , Ted Cassidy , Ted Eccles .