You will Watch Regular Show Season 3 Episode 12 online for free episodes with HQ / high quality. Stream cartoons Regular Show Episode 51 Under the Hood. Mordecai and Rigby are assigned by Benson to clean up the graffiti that was spray-painted on the walls. Muscle Man shows up with High-Five Ghost with orange sauce on him, and Mordecai accuses of him of doing the graffiti when the orange was really buffalo wing sauce. A spray-paint can falls out of Muscle Man’s pants, and Benson fires Muscle Man. High-Five Ghost goes along with Muscle Man, and after they see a shady man named Park Avenue spray-paint the wall, they try to get Muscle Man’s job back. Benson doesn’t believe them, and Park Avenue continues to spray-paint the park. Meanwhile, Muscle Man pursues comedy, but he is booed for telling “my mom” jokes. Park lures Mordecai and Rigby to a separate dimension, where Mordecai and Rigby are stuck in Park’s house. The two must strike a deal with Park to save Muscle Man’s job.