A fat-sucking space vampire hypnotizes Dodgers into detaining Cadet for a pork dinner. But having discovered the vampire's one weakness, health food, Cadet makes a decoy of himself from tofu.

A rebel army of gophers vows to overtake Mars. Marvin's canine companion discovers the plan during a golf game but can't communicate the information to his master. Without Marvin's help, it's up to K-9 to save the planet on his own.