Sentai Filmworks has announced that it has licensed the Space Brothers #0 anime film, the prequel to the Space Brothers television anime. The company will release the film digitally and on home video with both the theatrical and Chūya Koyama Special Edition cuts.
Sentai Filmworks describes the film:
Set four years before the events of the Space Brothers TV series, Space Brothers #0 tells the story of two brothers on disparate paths. Hibito Namba is a rookie astronaut in training while his brother, Mutta, has found his own ambitions at a disappointing standstill. When Hibito is selected to train for a coveted NASA space mission, it sets in motion a series of events that takes the brothers to the crossroads of destiny and dreams.