Green-tinted sci-fi cavemen fight weird monsters in lake, 1970.
Red-tinted sci-fi cavemen fight bat creatures in cave, 1970.
Man explains the spectrum gun to wife in bed, 1970.
Man and woman making love in science fiction film, 1970
Vampires attack people on city streets, 1970.
Space control room
Astonauts discover dinosaurs on green-tinted prehistoric monters, 1970.
Yell0-tinted caveman fighting on alien planet, 1970s