- California Doubling: California stands in for Mexico. In fact the opening shot of Guayjorm is the exact same one used in War of the Colossal Beast.
- Colbert Bump: The film gained some recognition thanks to James Rolfe discussing it on Cinemassacre's Monster Madness series.
- Development Hell: The film was actually made right after King Dinosaur, but didn't get released until a couple of years later.
- Edited for Syndication / Bowdlerize: The scene of the spear going into the cyclops' eye was cut from TV broadcasts. The Warner Archive DVD-R restores it, though.
Trivia / The Cyclops