Mekkano the machine is rescued from the intergalactic prison by his automated ship with its electro-smasher and goes to get revenge on Zandor and the Herculoids. He launches waves of attacks with his mecho-tanks and when that fails, his mecho-spheres. Finally he flees to his ship and tries to destroy everyone with his electro-smasher, but Gloop and Gleep manage to capture him and they put him in the automated Prison Rocket back to jail.
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