Regular Show — Season 4

Oct 201222m

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

Oct 201211m

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

Oct 201211m

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.

Oct 201211m

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

Oct 201211m

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

Nov 201211m

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

Nov 201211m

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

Nov 201211m

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.

Dec 201222m

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.

Jan 201311m

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?

Jan 201311m

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.

Jan 201311m

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

Jan 201311m

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.

Feb 201311m

Mordecai and Rigby want to reunite the band Adrenaline.

Feb 201311m

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.

Feb 201311m

Skips intervenes to stop his cousin's bad jokes.

Feb 201311m

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?

Mar 201311m

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.

Mar 201311m

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

Apr 201311m

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

Apr 201311m

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.

Apr 201311m

Mordecai offers Margaret a ride to the airport.

Apr 201311m

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

May 201311m

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

May 201311m

Skips has to lower his stress for health reasons.

May 201311m

Thomas must save his brain after he chugs a slushy that freezes his brain.

May 201311m

Muscle Man tries to save his trailer after it fails a health inspection.

Jun 201311m

Mordecai plans to kiss Margaret at a meteor shower.

Jun 201311m

Mordecai tries to shake hands with Margaret's father.

Jun 201311m

The guys need to obtain a LaserDisc player in order to watch the director's cut of a cult classic.

Jul 201311m

Mordecai and Rigby have to rescue the golf cart from a bunch of rich people at a country club.

Jul 201311m

Benson must trust Mordecai and Rigby to help get him down a mountain.

Jul 201311m

The park employees want to give Benson a special mug.

Jul 201311m

Muscle Man wants to binge on his favorite foods before going on a diet.

Jul 201311m

The park guys must help Muscle Man to stop fighting in his sleep.

Aug 201311m

Mordecai and Rigby must save Benson from an evil party company.

Aug 201311m

Mordecai wants to ask Margaret to be his girlfriend.