Continuity mistake: When the condo manager shows up at Billy's house to take Purple, and chases him round the garage, some stuff, including a white plastic basket, falls off a shelf twice; first in the wide shot, then again in a closeup of Purple's feet.
Purple People Eater (1988)
1 mistake - chronological order
Directed by: Linda Shayne
Starring: Ned Beatty, Bobby Porter, Linda Talcott
Billy Johnson: I have to tell you something. Purple, he came from up there.