Gamera vs. Gyaos (大怪獣空中戦 ガメラ対ギャオス Daikaijū kūchūsen: Gamera tai Gyaosu, lit. Giant Monster Midair Battle: Gamera vs. Gyaos) is a 1967 Japanese kaiju film directed by Noriaki Yuasa, written by Fumi Takahashi, and produced by Daiei Film. It is the third entry in the Gamera film series, after the previous year's Gamera vs. Barugon. Gamera vs. Gyaos stars Kojiro Hongo, Kichijiro Ueda, Tatsuemon Kanamura, Reiko Kasahara, and Naoyuki Abe, with Teruo Aragaki portraying the giant turtle monster Gamera.