Episode 1
After nearly recovering from a broken heart, Mordecai embarks on a road trip to Margaret's college to return her sweater, taking Rigby along, who wishes for Mordecai to move on, but a hallucination of Margaret gets the better of him.
Episode 2
Mordecai and Rigby try street-performing to earn extra money quickly for a video game, but soon compete with another street performer who uses their act to his advantage.
Episode 3
Mordecai and Rigby have to fix Benson’s car before he finds out they broke its window.
Episode 4
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.
Episode 5
Rigby buys a device that unfairly divides his share of the room to avoid cleaning his mess in it.
Episode 6
After a time-traveling tornado sends an 18th-century Skips to the present, Mordecai and Rigby have to help present Skips return his teenage self to his time or else he will die.
Episode 7
Mordecai and Rigby are charged with bringing Benson tortillas.
Episode 8
The group makes a bet over who can tell the scariest story at their Halloween party.
Episode 9
Pops gives Mordecai and Rigby tants – pants that double as tables – which Mordecai and Rigby pretend to like. However, the duo accidentally ruins the pants and try to fix them not to hurt Pops' feelings.
Episode 10
Rigby has to beat a challenger at a bank shooting arcade game.
Episode 11
Muscle Man wants to win a bodybuilding competition at his gym.
Episode 12
Mordecai and Rigby accidentally ruin Thanksgiving and have to fix it before their families arrive for dinner.
Episode 13
Mordecai, Rigby, Muscle Man, and Hi-Five Ghost try to get stuntman licenses so they can perform for Timmy's stuntman-themed birthday party.
Episode 14
Rigby tries to stop Mordecai from kissing a girl named Tracy on New Year's Eve.
Episode 15
The group wants to win a dodgeball tournament, but Mordecai becomes distracted when he discovers that C.J. is on one of the opposing teams.
Episode 16
Mordecai and Rigby get stuck in a portable toilet at the park after Mordecai takes a dare from C.J.
Episode 17
Hi-Five Ghost hopes to reunite with a lady from his past after receiving a long-awaited postcard from her.
Episode 18
With his high school reunion arriving, Rigby tries to accomplish skydiving while eating a burrito, a task he claimed he would do before attending the reunion.
Episode 19
Mordecai, Rigby, Muscle Man, and Hi-Five Ghost have to venture into the bottom of the crash pit to find their video camera before their boss Benson notices it's gone.
Episode 20
Mordecai and Rigby play a prank on Daylight Saving Time by setting all of the clocks in the park at the wrong time, which leads to disastrous results.
Episode 21
When their boss Benson accidentally breaks Mr. Maellard's autographed guitar, Mordecai and Rigby have to help him replace it.
Episode 22
Skips tells Mordecai and Rigby the story of how he became immortal.
Episode 23
Episode 24
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.
Episode 25
After an important portrait of their boss Benson is ruined, Mordecai and Rigby attempt to repaint it before it is awarded to him.
Episode 26
Mordecai, Rigby, and C.J. help Eileen make a music video for her college filmmaking class.
Episode 27
Mordecai ponders over his feelings towards C.J. after he sends an auto-corrected text message to her saying that he likes her.
Episode 28
Mordecai has a date with C.J., but he unfortunately also has to babysit Death's 300-year-old son, Thomas.
Episode 29
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.
Episode 30
Pops strives to learn how to surf in order to reconnect with nature after havin a bad day with it.
Episode 31
Benson's chance of winning a gold watch at the park is jeopardized when he eats too many buffalo wings.
Episode 32
Mordecai and Rigby have to repaint the park house after throwing pizza pouches at it and ruining its paint job while cleaning it.
Episode 33
Mordecai and Rigby have to bake a cake for Mr. Maellard's surprise birthday party after the original cake is ruined.
Episode 34
Skips tries to find his soul mate on a dating show after seeing how happy everyone else is in a relationship.
Episode 35
Thomas tries to prove his worth by retrieving the park founder's statue.
Episode 36
The guys help Skips throw a bachelor party for his cousin Quips.
Episode 37
Mordecai and Rigby accidentally destroy C.J.'s brand new tent and need help fixing it before she finds out.
Episode 38
Mordecai and C.J. want to go on a romantic date.
