Gamba: Gamba to Nakama-tachi (Japanese: ガンバと仲間たち), alternately known in English-language releases as Gamba 3D and Air Bound, is a 2015 Japanese 3D CG animated adventure film directed by Tomohiro Kawamura and Yoshihiro Komori, produced by Tetsu Fujimura, Kenichiro Hayafune, Avi Arad and Barry Brooker, and written by Ryota Kosawa. It is based on the 1972 novel Boukenshatachi: Ganba to 15-hiki no Nakama (冒険者たち ガンバと15ひきの仲間, lit. The Adventurers: Gamba and His Fifteen Companions) by Atsuo Saitō and is a remake of the 1975 anime series Gamba no Bouken. It was released in Japan on October 10, 2015. An English-language version was released by SC Films International under the title Gamba 3D in 2015, while retaining the original Japanese names of the characters. Another English-language version was later released in the United States by Lionsgate and Grindstone Entertainment Group under the title Air Bound in 2017 that changed the Japanese names of the characters to English names.