Gamera vs. Guiron (ガメラ大怪獣ギロン, Gamera tai daikaijû Giron) is a 1969 Japanese movie, part of series featuring the giant turtle-like monster Gamera.

Guiron, Gamera's enemy is a giant rhino like monster with a blade-like horn.

Amazon.com's review says that adults may enjoy the unintentional humor arising from low production values, and poor dubbing.

Plot summary

The action takes places after two unsuspecting children discover a UFO in their back yard, and are transported to a distant planet.