Mega Monster Battle: Ultra Galaxy Legend is a 2009 Japanese superhero film in the Ultra Series. The film released in theaters on December 12, 2009, by Warner Bros. Entertainment Japan. The catchphrase for the movie is "Recover the light of the galaxy!!" . The film is also referred to as Large Monster: The Ultra Milky Way Legend. The film went on to gross $6,161,665 and become the second highest grossing Ultraman movie behind the previous year's entry. It is the first film directed by Koichi Sakamoto, marking the debut of Ultraman Zero and Ultraman Belial.

Koichi Sakamoto is a Japanese film and television director, stunt performer and coordinator, fight choreographer and producer. He is best known for his work in the tokusatsu genre, particularly for the Power Rangers, Super Sentai and Kamen Rider franchises.