Mordecai and Rigby expose a bad board game's flaws when the owner refuses to give them a refund.

When Mordecai forces Rigby to go on a double-date with Eileen, Margaret and himself, Rigby accepts, but only if Mordecai owes him ten "solids", or "instant-favors", and plans to use them to sabotage Mordecai's date.

Mordecai and Rigby team up with Muscle Man and Hi Five Ghost to win a radio contest, but the contest creator wants to turn them against each other.

Mordecai and Rigby come across a family of ducks living in a fountain at the park - and take quite a shine to them.

Mordecai and Rigby have to fix Benson’s car before he finds out they broke its window.

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

Mordecai and Rigby are charged with bringing Benson tortillas.

Mordecai, Rigby, Muscle Man, and Hi-Five Ghost try to get stuntman licenses so they can perform for Timmy's stuntman-themed birthday party.

Skips tells Mordecai and Rigby the story of how he became immortal.

Mordecai and Rigby revive their band with the rest of the group and compete in a battle of the bands to win an air conditioner during a massive heatwave.

Pops strives to learn how to surf in order to reconnect with nature after havin a bad day with it.

Mordecai and C.J. want to go on a romantic date.

The park workers tell scary stories to keep Muscle Man awake while driving to visit his mother on Halloween.

Muscle Man gives the group a list of things that he wants to do before "the end." When everyone realizes he is serious, they decide to make Muscle Man's final wishes come true.

Rigby plans to surprise Eileen by setting up her new flat screen TV for her, but things take a turn when Eileen's roommate interferes.

Mordecai and Rigby are determined to win a happy birthday song contest so they can get a year's supply of cake.

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

Mordecai and Rigby have to remember all of their food challenges so that they can eat a 10ft sandwich.

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.

Benson is determined to prove he was right about the date of the "Dome Experiment".

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

Rigby goes back to High School to study rocks, but wants to keep it a secret from Eileen.

The guys need to retrieve a wallet on a hostile planet.

Mordecai and Rigby want to avoid spoilers of their favorite TV show.

The guys gather in the house on the Dome and tell scary Halloween stories just like ol' times, only this Halloween, the stories have an extra terrifying, science fiction twist.

The guys celebrate their first Christmas in space by opening presents, eating peppermint bark and telling Christmas stories. Benson wants the stories to be more Christmasy but the guys keep adding scary elements, which infuriate their boss.

Pops still doesn't wish to fight Anti-Pops and wants to peacefully work things out, but everyone else doubts kindness will stop Anti-Pops.

Allies from both sides rally together for the epic fight. However, Pops and Anti-Pops are once again at a stalemate. Mordecai and Rigby are forced to jump between the two factions.