A turn of the century wild west show struggling to make a living in Mexico comes into the possession of a tiny prehistoric horse. This leads to an expedition to the Forbidden Valley where they discover living dinosaurs. They capture one and take it back to be put on display, leading to inevitable mayhem.
Movie tag line: "Cowboys Battle Monsters in the Lost World of Forbidden Valley."
Production companies:
Character: Tuck Kirby
Character: T.J. Breckenridge
Character: Champ
Character: Professor Bromley
Character: Tia Zorina
Character: Carlos
Character: Rowdy
Character: Bean
Character: Lope