PuriGorota: Uchuu no Yuujou Daibouken
Japanese title: プリごろ太 宇宙の友情大冒険
Alternative titles: Puri Gorota: The movie, Puri Gorota: Uchuu no Yuujou Daibouken
Type: OVA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Nov 2008
Duration: 16 min
Rating: PG - Children
Studios: J.C.Staff
Genres: Adventure, Sci-Fi
Demographics: Kids

First appeared in Nodame Cantabile manga as a fictional anime series. Later, in episode 4 of the live-action TV drama it appeared as a theatrical movie. Finally, the "movie" was completed and included in Nodame Cantabile anime DVD as an extra feature. 

(Source: ANN)