Two young boys are abducted and flown to Mars. There they have a crazy adventure with psychedelic doughnuts¸ and space girls in foil outfits who want to eat their brains. Gamera shows up and battles the knife headed monster Giron. Rubber suited monster wrestling! Alien girls in foil costumes! What else do you want?
Starring: Nobuhiro Kajima¸ Miyuki Akiyama¸ Christopher Murphy¸ Yuko Hamada¸ Eiji Funakoshi¸ Kon Omura Directed By: Noriaki Yuasa
Alternate Titles: Gamera tai daiakuju Giron¸ Gamera contra Guiron¸ guardi?n del planeta fantasma¸ Gamera vs. Guillon¸ Gamera vs. Guiron¸ Gamera vs. the Devil-Beast Giron¸ Gamera vs. the Giant Evil Beast Guiron