The Herculoids come upon the ruins of a lost civilization - Zandor and Zok leave briefly, and Tara is kidnapped by gargoyle statues that come to life. As the remaining Herculoids are attacked, Zandor returns to help them out and then they must battle with an ancient priest who intends to sacrifice Tara to the largest gargoyle, Trax.
Elenco: Don Messick , Virginia Gregg , Mike Road , Sparky Marcus , Ted Cassidy , Ted Eccles .