Chabelo and Pepito vs. The Monsters

Chabelo and Pepito belong to a group of explorers. When hiking a peasant warns them of the danger of a cursed cave where there is a treasure. They decide to go to the cave where several monsters are found: The Mummy, Frankenstein, Dracula, among others. After several adventures they discover that the monsters are robots and with their friends they decide to destroy them.