: The Martians attempt various acts of "conquest," but their ineptitude and the holiday atmosphere constantly derail their efforts.

: Kathy , a young sci-fi fan who realizes the truth; her father, Sheriff Sam Hoxly ; and Wrenchmuller , an eccentric local farmer who is trying to save his land from developers. Story Beats

: A band of bumbling aliens including the overzealous Captain Bipto , the hotheaded Lieutenant Giggywig , the calculating Dr. Ziplock , the timid Corporal Pez , and the cynical pilot Blaznee .

: Because it is Halloween, the townspeople assume the four-foot-tall Martians are just children in high-quality costumes.

: After destroying the drone, the Martians depart. They accidentally jettison their sewage tank over Wrenchmuller's farm; the Martian manure causes his green beans to grow six feet tall, saving his farm from bankruptcy. Spaced Invaders movie review & film summary - Roger Ebert