When an occupying alien species' bureaucratic rule and advanced technology leaves most of Earth impoverished and unemployed, two teenagers hatch a risky plan to ensure their families' futures.
Aliens who look like clowns come from outer space and terrorize a small town.
Earth is invaded by Martians with unbeatable weapons and a cruel sense of humor.
Four men who form a neighborhood watch group as a way to get out of their day-to-day family routines find themselves defending the Earth from an alien invasion.
Two college professors team up with a fire-fighting cadet and a government scientist to combat an alien organism that has been rapidly evolving since its arrival on Earth inside a meteor.
Aliens with conical crania crash-land on Earth.