A football player and his mates travel to the planet Mongo and find themselves fighting the tyranny of Ming the Merciless to save Earth.
A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.
After losing a powerful orb, Kara, Superman's cousin, comes to Earth to retrieve it and instead finds herself up against a wicked witch.
