With the Gyaos re-emerging, Gamera's ties to humanity have been severed with his bond to Asagi broken. Nagamine and Asagi investigate while an orphaned girl named Ayana discovers a new creature she names Iris. Nagamine and Asagi must reach Ayana before she takes her revenge on Gamera, who she blames for the death of her family.

Gamera 3: Revenge of Iris

The production of Gamera: Guardian of the Universe. Includes interviews with director Shusuke Kaneko, screenwriter Kazunori Ito and lead actress Ayako Fujitani.  Also includes behind the scenes footage from special effects director Shinji Higuchi and interviews with suit actors Jun Suzuki and Yumi Kameyama.