Prof. Zackro recommends to young Adam Blake that he use his mutant abilities to help mankind as Captain Comet.; A pair of alien invaders' plan to rule the planet Illumia through hypnotism is thwarted by a Terran space patrol lieutenant.; Chris and his companions overthrow a tyrant and are rewarded with the power crystal that Halk needs to replenish the Martian water supply.; College professor Don Walker thwarts an alien invasion in which the aliens plan to win by starving earth after having induced humans into abandoning food production.; Robbie removes his head to avoid blocking the view of the movie screen.; The professor tests a new raincoat but is unwilling to go in the rain with this wife.