Film critic Peter Bogdanovich got a crash course in filmmaking when Roger Corman let him add new scenes to a Russian sci-fi epic. Mamie Van Doren plays the queen of a group of cavewomen who greet a group of astronauts that have landed on their world. The gals wear clamshell bikinis, communicate telepathically and worship a pterodactyl! With Mary Mark and Paige Lee. 79 min. Standard; Soundtrack: English. Plays All Regions.