Ultraman Saga (ウルトラマンサーガ, Urutoraman Sāga) is a 2012 Japanese tokusatsu, superhero and kaiju film in the Ultra Series to commemorate the franchise's 45th anniversary. It serves as a sequel to Ultraman Zero: The Revenge of Belial. The catchphrase for the movie is "We Still Have Glittering Hope!!" (僕らにはまだ、輝く希望がある!!, Bokura ni wa Mada, Kagayaku Kibō ga Aru!!). The film features Ultraman Zero, Ultraman Dyna, and Ultraman Cosmos as well as the five Ultra Brothers facing a new ultimate threat, Hyper Zetton (ハイパーゼットン, Haipā Zetton) and the monster army created by the evil Alien Bat (バット星人, Batto Seijin). The film also features a new Ultraman known as Ultraman Saga (ウルトラマンサーガ, Urutoraman Sāga). The movie is set in the world of Ultraman Dyna, taking place 15 years after the series and features much of the supporting cast returning. A selection of members from the idol group AKB48 has been chosen to portray the characters of Team-U, a special monster attack team part of the fictional Earth Defense Force.

In its first week in theaters, Ultraman Saga opened at the #4 spot in the Japanese box offices, about 166,006 people in 369 screens with a budget of ¥143,747,300.