Uchuu Kyoudai: Apo's Dream
English name: Space Brothers: Apo's Dream
Genres: Comedy, Sci-Fi
Type: OVA, Episodes: 1
Aired: Mar 23, 2012
Source: Manga
Rating: PG - Children
Synopsis:
Included on a DVD within the limited edition of the manga's volume 17. 

Apo, the pet dog from the manga, will star in the anime.