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.
You can now watch Gamera 3: Revenge of Iris online on the following streaming providers in the United States.
| Directing | Shusuke Kaneko | Director |
| Writing | Shusuke Kaneko | Writer |
| Writing | Kazunori Ito | Writer |
| Sound | Kow Otani | Original Music Composer |
| Editing | Isao Tomita | Editor |
| Art | Hajime Oikawa | Production Design |
| Production | Miyuki Nanri | Producer |
| Production | Naoki Sato | Producer |
| Production | Yasuyoshi Tokuma | Producer |
| Production | Tsutomu Tsuchikawa | Producer |
| Camera | Junichi Tozawa | Director of Photography |
| Visual Effects | Shinji Higuchi | Visual Effects Director |
| Visual Effects | Satoshi Murakawa | Visual Effects Camera |
| Visual Effects | Toshio Miike | Visual Effects Designer |
| Crew | Hiroshi Okuda | Visual Effects Editor |
| Crew | Makoto Kamiya | Special Effects Assistant |
| Visual Effects | Atsuki Sato | CGI Director |
| Crew | Katsuro Onoue | Other |
| Visual Effects | Tomoo Haraguchi | Modeling |
| Visual Effects | Mahiro Maeda | Creature Design |
| Visual Effects | Shinji Higuchi | Creature Design |
| Lighting | Sosuke Yoshikado | Gaffer |
| Sound | Yasuo Hashimoto | Sound |
| Directing | Hideaki Murakami | Assistant Director |
| Directing | Koji Yamaguchi | Assistant Director |
| Crew | Yûichi Kikuchi | Special Effects Assistant |
| Sound | Shin'ichi Itô | Sound Effects |
