Digimon Frontier: Island of Lost Digimon[a] is a 2002 Japanese animated adventure short film based on the Digimon franchise created by Akiyoshi Hongo, and its fourth series, Digimon Frontier. The short film is directed by Takahiro Imamura, written by Sukehiro Tomita, and produced by Toei Animation. The short film was released in Japan on June 20, 2002, as part of Toei Animation Summer 2002 Animation Fair, featuring alongside Kinnikuman: Muscle Ginseng Competition! The Great Chōjin War and Fierce Fight! Crush Gear Turbo: Kaiserburn's Challenge! films.[3] (thetvdb.com)