Dear Mr. Watterson
Starring Seth Green, Berkeley Breathed, Stephan Pastis, Bill Amend, Jef Mallett, Dave Kellett, Jan Eliot, Lee Salem, Nevin Martell, Jean Schulz
It's a documentary and biography movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.
