The Gladiators of Kyanite / Temple of Trax

After destroying the last wild creature of Kyanite, Neron and his gladiators capture Tundro. Zandor and Zok, followed by the rest of the Herculoids, arrive at the arena to rescue Tundro and fight the gladiators. The unnamed high priest of Trax kidnaps Tara in order to use her as a sacrifice for the idol Trax, cutting off the Herculoids in their rescue attempt. Can Zandor and Zok, who are miles away, get to Trax in time?

EL REGRESO DE STA-LAK: Sta-Lak ha sobrevivido, y vuelve al planeta para enfrentar nuevamente a Zandor, esta vez con su última creación: una versión mecánica de los Defensores Interplanetarios. LA VENGANZA DE LOS PIRATAS: Los piratas del cielo regresan al planeta para recoger su tesoro, y de paso vengarse de Zandor y los Defensores.