30 Years of Garbage: The Garbage Pail Kids Story
Starring Art Spielgeman, John Pound, Tom Bunk, Adam F. Goldberg, James Warhola, Mackenzie Astin, Jeff Zapata, Roxanne Toser, Joe Simko, Mark Pingitore
It's a documentary and comedy movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.