A lost submarine discovers a secret island where dinosaurs still live. The film, 20 minutes long, was scrapped by RKO. Approximately 4 minutes survived.
Practical Effects
O'Brien's stop-motion dinosaurs that moviemaking forgot.
Direction
The ambition that birthed King Kong's visual DNA.

Director
Willis H. O'Brien
Trivia, insights & behind the scenes
RKO recycled Creation's dinosaur models into 1933's King Kong—extinction became immortality.
The only surviving footage was discovered in a mislabeled 'King Kong' reel in 1980. Someone almost threw it out—again.