8 Season
259 Episode
Regular Show - Season 8 Episode 22 The Key to the Universe
Earl, an ancient sensei, begins training Pops for his fight with Anti-Pops, but Pops is not sure if he can or should go along with it.
- Country : United States of America
- Genre : Animation, Comedy
- Director : J.G. Quintel
- Cast : J.G. Quintel, William Salyers, Mark Hamill, Sam Marin, Minty Lewis, Matthew Mercer