PuriGorota: Uchuu no Yuujou Daibouken
Genres: Adventure, Sci-Fi
Type: OVA, Episodes: 1
Aired: Nov-08
Studio: J.C.Staff
Source: Original
Rating: PG - Children
Synopsis:
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)