Regular Show: The Movie
Starring J.G. Quintel, Mark Hamill, Sam Marin, William Salyers, David Koechner, Jason Mantzoukas, Ali Hillis, Minty Lewis, Eddie Pepitone, Kurtwood Smith
It's a animation and comedy movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.