Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.
You can now watch Gamera vs. Guiron online on the following streaming providers in the United States.
| Writing | Nisan Takahashi | Writer |
| Directing | Noriaki Yuasa | Director |
| Production | Hidemasa Nagata | Producer |
| Sound | Shunsuke Kikuchi | Original Music Composer |
| Production | Masaichi Nagata | Executive Producer |
| Camera | Akira Kitazaki | Director of Photography |
| Crew | Kazufumi Fujii | Special Effects |
