The group helps Muscle Man and Starla on their wedding day. Still, it's Mordecai, whose relationship is in danger when Margaret gets invited, and an awkward speech leads to a final falling-out between Mordecai and CJ.

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

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

Rigby buys a device that unfairly divides his share of the room to avoid cleaning his mess in it.

After breaking off his friendship with Hi-Five Ghost over an embarrassing video, Muscle Man tells Mordecai and Rigby the story of how he and Hi-Five Ghost met back in high school when he was the big man on campus — until new kid Hi-Five Ghost comes in and usurps his title.

After his stockbroker is arrested on fraud charges, Muscle Man and Starla compete on a game show where couples compete to win an all-expenses-paid wedding.

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

Mordecai, Rigby, and C.J. help Eileen make a music video for her college filmmaking class.

The group tries to find different ways to keep the park open when Mr. Maellard announces his plans to shut down the park due to lack of attendance.

Skips intervenes to stop his cousin's bad jokes.

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

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

An alien pod crashes onto Earth and an alien horse known as Party Horse turns to Mordecai and Rigby to help him pass a U.S. History test.

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?

Mordecai and Rigby want to reunite the band Adrenaline.

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

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

Mordecai, Rigby, Muscle Man, and Hi-Five Ghost strive to get Every Meat Burritos, a new special type of burrito, from the Jimbros' Burritos Drive-Thru.

Hi-Five Ghost hopes to reunite with a lady from his past after receiving a long-awaited postcard from her.

Mordecai and Rigby have to repaint the park house after throwing pizza pouches at it and ruining its paint job while cleaning it.

Skips tries to find his soul mate on a dating show after seeing how happy everyone else is in a relationship.

Mordecai tries to avoid further relationship problems when he attends Margaret's 1000th chopper flight party for her father.

Rigby is humiliated on the game show Expert or Liar and sets off to redeem himself by locating the show's host and making another appearance.

Mordecai and Rigby accidentally destroy C.J.'s brand new tent and need help fixing it before she finds out.

Mordecai and Rigby want to help Party Horse get back together with his girlfriend.