Continuity mistake: There is a "No Riders" sign that keeps appearing and disappearing on the window of the jeep, from one scene to another, fron shot to shot, throughout the entire film.
It Conquered the World (1956)
1 continuity mistake
Directed by: Roger Corman
Starring: Lee Van Cleef, Peter Graves, Beverly Garland, Sally Fraser
Revealing mistake: Toward the end of the film, when Claire Anderson enters the cave where the monster is waiting, she passes a distinctive rock formation. In a later scene, where she is going further into the cave, she again passes the same rock formation.
Paul Nelson: It must be some kind of cave bat.