Regular Show: The Movie is a 2015 American animated science fiction comedy film based on the animated sitcom Regular Show. Produced by Cartoon Network Studios, the film was directed by series creator J. G. Quintel and features the voices of William Salyers, Quintel, Sam Marin, and Mark Hamill reprising their respective roles from the series, with Jason Mantzoukas and David Koechner joining the cast. The film follows Mordecai and Rigby, along with their groundskeeping co-workers Benson, Pops, Muscle Man, Hi-Five Ghost and Skips, as they embark on a mission to save the universe, and their friendship, from a vengeful volleyball coach.

Plot

In the distant future, Rigby, Benson, Skips, Hi-Five Ghost, Muscle Man, and Pops fight Lord Ross, a madman plotting to erase all of time. Aiding him is a cybernetic Mordecai who is estranged from Rigby for a past transgression. The entire team is killed except for Rigby, who escapes using a timeship, a time traveling space vehicle, to travel to the past, though not before Mordecai mortally shoots him.