The Best Episodes of Regular Show Season 4

Mordecai and Rigby must save the park after the rest of the gang are brainwashed.

Director: John Infantino, Hwang Gi-ho, Baek Jong-Cheol

Writer: John Infantino, Mike Roth, Matt Price, Michele Cavin

Mordecai and Rigby want to stop Muscle Man from screwing with Thomas.

Director: John Infantino

Writer: Hilary Florido, Benton Connor

While on their drive to a Halloween party, Mordecai and Rigby tells scary stories to Benson, Pops, Skips, Muscle Man, High Five Ghost and Thomas.

Director: John Infantino

Writer: Hilary Florido, Benton Connor, Kat Morris, Sean Szeles

Mordecai and Rigby want to prove to Benson that they can be judges at the pie contest.

Director: John Infantino

Writer: Hellen Jo, Sarah Oleksyk

Benson wants to prove that he performed a famous drum solo.

Director: John Infantino

Writer: Toby Jones, Calvin Wong

Muscle Man wants to hide his bald spot at all costs.

Director: John Infantino

Writer: Andres Salaff, Madeline Queripel

Pops wants to beat the milk challenge to prove he’s one of the guys.

Director: John Infantino

Writer: Kat Morris, Sean Szeles

Rigby has never been known for his upper-body strength, so when the park employees have to go into the doctor and get their physicals, Rigby has trouble doing even one pull up, and so he must find a way to do so or get fired.

Director: John Infantino

Writer: Hellen Jo, Sarah Oleksyk

The house is decorated, the guests have arrived and it seems like it's the season to save Christmas when the gang finds themselves faced with the task of destroying a present for Santa that has the potential to destroy them and the holiday.

Director: John Infantino, J.G. Quintel, Mike Roth

Writer: Hilary Florido, Benton Connor, Kat Morris, Sean Szeles

It’s Margaret’s last night of freedom before she transfers to a new college. So Mordecai, Rigby and Eileen decide to surprise her with the biggest party of her life. What could possibly go wrong?

Director: John Infantino

Writer: Toby Jones, Calvin Wong

After Mordecai, Rigby and Muscle Man squander the fireworks that Benson had purchased for an upcoming event at the park, the three have to go and find more to replace them before Benson blows a fuse and they lose their jobs.

Director: John Infantino

Writer: Andres Salaff, Madeline Queripel

Muscle Man tries not to contact Starla for an entire weekend.

Director: John Infantino

Writer: Hellen Jo, Sarah Oleksyk

Benson eats a magical, deadly sandwich that Mordecai and Rigby bought, so the trio must travel with the restaurant's manager, Sensei, to find the cure.

Director: John Infantino

Writer: Andres Salaff, Madeline Queripel

Mordecai and Rigby want to reunite the band Adrenaline.

Director: John Infantino

Writer: Hilary Florido, Benton Connor

Muscle Man, Rigby and Starla are annoyed about Mordecai's awkward goodbye to Margaret so they try to get Mordecai to tell Margaret how he feels about her.

Director: John Infantino

Writer: Kat Morris, Sean Szeles

Skips intervenes to stop his cousin's bad jokes.

Director: John Infantino

Writer: Hellen Jo, Sarah Oleksyk

When Mordecai and Rigby meet a caveman, they decide to put his unique prehistoric physique to good use: chugging cheese! But could this caveman actually turn out to be a Neanderthal nuisance?

Director: John Infantino

Writer: Toby Jones, Calvin Wong

Mordecai and Rigby help their favorite '80s sitcom star, RGB2, escape from the studio lot and into the mountains so he can avoid starring in a revival of his show.

Director: John Infantino

Writer: Andres Salaff, Madeline Queripel

Mordecai and Rigby have to get rid of some geese that are causing problems at the park.

Director: John Infantino

Writer: Toby Jones, Calvin Wong

Mordecai and Rigby want to win the grand prize on a Japanese game show.

Director: John Infantino, Sean Szeles

Writer: Toby Jones, Calvin Wong

Rigby stains Mr. Maellard's expensive white limousine with a meatball sub, so the guys have to clean it before Mr. Maellard gets back from vacation.

Director: John Infantino

Writer: Hilary Florido, Benton Connor

Mordecai offers Margaret a ride to the airport.

Director: John Infantino

Writer: Kat Morris, Sean Szeles

Muscle Man wants a local radio station to play the song he wrote for Starla.

Director: John Infantino, Sean Szeles

Writer: Benton Connor, Sarah Oleksyk

The guys enter a donut contest in hopes of winning a cameo on their favorite cop show.

Director: John Infantino, Sean Szeles

Writer: Toby Jones, Calvin Wong

Skips has to lower his stress for health reasons.

Director: John Infantino, Sean Szeles

Writer: Andres Salaff, Madeline Queripel