Mordecai and Rigby must find a way to cover up a hole in the wall they created, and a magical keyboard they name 'The Power' might be just the thing for it.

A birthday party is scheduled in the park, and everyone has interesting jobs to do. That is, everybody but Mordecai and Rigby, who are only trusted with the lame job of setting up the chairs. In order to prove they are not slackers, the duo agree to set them up without being distracted.

Mordecai and Rigby need money in order to see their favourite childhood band. They decide to take on extra shifts, but soon start to tire out so they turn to coffee in order to stay awake.

Rigby suffers a final humiliation as he loses a fight to Mordecai over a video game. He turns to 'Death Kwon Do' in order to finally win one over his friend.

Rigby brings and finds a plate, to which everyone is upset and busy so Rigby is convinced that the the solitary Skips could help him.

The annual park barbecue has arrived, and Benson is so excited he has ordered premium hot dogs. When things go wrong, Mordecai blames Rigby for always making things worse, despite his claims that he can 'totally fix it.'

Mordecai and Rigby need to buy a grilled cheese sandwich for Benson, but can't be bothered to wait in line. Instead, they pretend to be astronauts, which results in them trying to out lie each other.

In an effort to woo Margaret, Mordecai starts using a cologne that can supposedly attract women, called "Dude Time". Unfortunately, all it seems to attract are unicorns.

Mordecai and Rigby's constant prank calls result in one of their victims sending them back in time to the eighties.

When the park is going to be audited, the guys must find a way to sort their taxes out or face it being closed down. Mordecai suggests Rigby's accountant brother, Don, but Rigby must first get over a long running feud.

After gorging on snacks at the snack bar, Rigby suffers an unfortunate accident as his consciousness separates from his body.

After ordering a bunch of shirts for a fake band, Mordecai and Rigby find themselves having to learn to play for real to avoid looking like idiots at the local open mic night.

After watching a scary movie about a British Taxi, the guys have to help Rigby overcome his fears.

Mordecai and Rigby get in a fight over Margaret, and Mordecai sends them traveling through time by destroying all the clocks.

Mordecai and Rigby learn the price of getting recognition after altering Benson's magic book of records.

Benson gets surveillance cameras to keep track of Mordecai and Rigby on the job.

Mordecai and Rigby help Pops get over his fear of public speaking.

Muscle Man's incessant usage of outdated and confusing "My Mom" jokes during a day filled with pressing deadlines and assignments infuriates Mordecai, especially after Rigby decides to join in and issue more of his own jokes.

Looking to find respect, Mordecai and Rigby take on a video game high score at the coffee shop.

Mordecai and Rigby need to find a new TV in order to defeat the hardest video game ever.

When Benson takes the night off, Mordecai and Rigby decide to throw a party, but when it gets off on a rocky start, they seek the help of Party Pete to get their party going. But the duo soon learn the hard way that Party Pete is unstoppable when drinking RadiCola.

Mordecai sees Pops naked and tries to forget about it. Rigby decides to help out by showing him an anime with supernatural powers. In turn, the anime ends up wiping out all of Mordecai's memories and it's up to Rigby and Skips to get back Mordecai's mind.

Mr. Mallard demotes Benson due to Mordecai and Rigby slacking off on his time. Mordecai and Rigby teach Benson to enjoy having the ability to slack of but teach him too well which ends up with Benson getting fired and the replacement manager turning the other employees into clones of herself. It's upto Benson to save the park from the new manager.

After finding out their new game isn't as awesome as they thought, Mordecai and Rigby try to get their money back which the store manager refuses to give to them. In retaliation, Mordecai and Rigby sabotage the sale of the game so much they are pulled into the game by the manager and must defeat him to get their freedom and their refund.

Rigby finds an old tape with one of his former favorite songs on it, only to find that it's not as good as he remembers. Problem is, the song gets lodged in his brain and cannot stop humming or singing it so Mordecai tries various methods to get rid of it.

Mordecai and Rigby must go and get Muscle Man and his ex-girlfriend back together again after Muscle Man's broken heart costs them more work and an unwanted crush.

Rigby employs Doug to do his work for him but finds out that Doug means to do more than take over his jobs at the park.

Rigby got jinxed and has got to find a way to un-jinx himself so he can talk again. Only problem is, he can't tell anybody to say his name three times to un-jinx him.

Mordecai and Rigby find out that everyone has been invited by Muscle Man to High Five Ghost’s birthday party except them. They decide to go anyway.

Mordecai owes Rigby big time when he agrees to go on a double date with him.

Mordecai and Rigby organize a scary movie fund-raiser for the park. They end up raising more than just funds.

Mordecai and Rigby injure Pops by wrestling him and in the end, have to take care of him during the night when Pops got them tickets to go to the wrestling championship.

When Skips accidentally kills Rigby, he must defeat Death in an arm wrestle competition to bring Rigby back.

Mordecai and Rigby go to unbelievable lengths to beat Muscle Man and High Five Ghost in a radio contest to win a car.

Mordecai and Rigby try to clean the fountain when Benson told them to but they find a bunch of baby ducks. So Benson and the two say to give it away. But when they imprint on Rigby, they start to do learn from Rigby on fighting and playing. Mordecai and Rigby think they should keep them after it learns from Rigby. But the duck collector tries to get away with the ducks.

Rigby gets sick of Mordecai making fun of him for not having a high school diploma so he takes a formula that will make him smarter.

The morning after being hired at the park, Mordecai and Rigby both look to obtain Pop's old couch.

Challenged by Muscle Man, Mordecai and Rigby want to create the most popular viral video of all time.

Rigby gets sprayed by a skunk and has to get rid of the smell.

Mordecai and Rigby need to get an embarrassing tape from the Karaoke bar before their friends see it.

Mordecai and Rigby are slacking off again, this time with a stick hockey table. Benson finds out and makes a deal with the two--if they finish all their work, they can play the game. However, when Benson goes against his word and sells it, Mordecai and Rigby must set out to retrieve it.

After losing a bet, Mordecai dyes his hair blonde and gets pulled into a shadowy blonde cult.

The gang must get Skips to rejoin their bowling team, or face losing their souls to Death.

A three-part Halloween special in which terrifying tales are told. In "Creepy Doll", the guys discover an old doll that wants revenge on Pops. In "Death Metal Crash Pit", a pit is haunted by a 1980s death-metal band. In the last segment, "In the House", Mordecai dresses up as a father with five "kids", to receive more Halloween candy, while Rigby goes as a robber and scares away people.

Mordecai, Rigby, Margaret and Eileen head to the mountains for a camping trip in their "secret spot." Mordecai tries to prove to Margaret that camping is cool.

Mordecai needs access to the computer so he and Rigby challenge Muscle Man and High Five Ghost to a basketball game for a week’s worth of computer time.

After wrecking the cart, Benson takes it away from Mordecai and Rigby and replaces it with two bikes. The guys make a deal with Benson that if he admits they are cool, he'll give it back to them.

Mordecai and Rigby are tired of Benson's new laws for the house, so they try to find a new place to stay that is free from rules.

When Pops is humiliated by a bunch of rappers, Mordecai and Rigby attempt to teach him to rap instead of recite poetry.

Influenced by a movie trailer, Mordecai and Rigby believe that a cool car can get you girls, much to the disgust of Margaret and Eileen.

Mordecai and Rigby need to get rid of graffiti in the park.

Mordecai and Rigby help Benson try to impress Audrey, but Chuck gets in the way of that.

Rigby swaps fortune cookies with Benson in hopes of improving his luck.

Pops bans Benson from yelling at Mordecai and Rigby, causing Benson to have a major meltdown.

Skips lacks computer skills and can't help Mordecai and Rigby master technology.

Mordecai accidentally calls Margaret and must find a way to erase the embarrassing message he left on her voicemail.

Mordecai tries to eat a large omelette in order to win a hat for Rigby.

Muscle Man wants to be appreciated at the park so he threatens to leave and take a job as a gut model.

Mordecai and Rigby enter a video game tournament to win a prototype video game controller called “The Maximum Glove”.

Mordecai and Rigby must tell Muscle Man that the scratch ticket they gave him was a fake.

Mordecai and Rigby try to fool Benson so they can eat the best burgers in the world.

The guys fight for their jobs after Benson replaces them with an ostrich and a possum.

Rigby changes his name so that he can be cooler but quickly regrets his choice.

Mordecai and Rigby do Skips work for his birthday, but Skips hurts his hand. He was supposed to fight someone, but with his hands injured, Mordecai and Rigby must fight the person themselves with the Fists of Justice.

Mordecai thinks that Margaret is engaged, and he wants to find a girlfriend as soon as possible to try and get over her.

Mordecai and Rigby bust up the cart while doing stunts and have to go on a road trip with Benson to the dealership before the warranty expires.

Death will spare Muscle Man’s life if Mordecai and Rigby babysit his kid.

Margret plans a last minute party at a local club so that she can dance. The List becomes their mortal enemy in this episode.

After getting fired by Benson, Rigby goes into the mentor program and Muscle Man turns out to be his mentor, things don't go as planned.

Muscle Man wants to spread his dad's ashes at the Big Rig Museum and needs Mordecai and Rigy's help getting there.

Mordecai and Rigby have one last day with the cart before they have to get rid of it.

Muscle Man must learn to be a true gentleman in order to impress Starla's parents.

After being asked by Margaret to water the plants, the duo discover a diary disaster down on the ground. They begin to repair it and make things worse. What secrets will be revealed in Margaret's Diary?

Mordecai and Rigby have to return an overdue VHS to the store so they won't be banned from renting new movies.

The gang wants to win a prank war against a rival park.

Mordecai and Rigby hope to impress Margaret and Eileen by taking a picture with Death Bear.

Pop's Birthday is coming up so the gang decide that they will purchase the Fuzzy dice that Pops wants, but it turns out they can't purchase it. They have to win it.

After Pops consumes a double glazed apple crisp, the gang must figure out a way to make Pops crash.

Mordecai finally makes his move and tries to kiss Margaret.

After the events of "Rigby's Graduation Day Special" the Park guys and Eileen must formulate a plan to survive in space and how to live in it.

The crew have an encounter with "brobots" whose purpose is to serve others, but Mordecai and Rigby are suspicious of them.

After learning their true mission in space, the crew is excited to make history, but Benson still wants to return home.

Mordecai and Rigby volunteer to rescue a scientist's ex-husband in exchange for space creds so they can buy hover shoes.

Chance Sureshot loses his wallet and is enclosed in a robot's bubble until he can pay for his food. In order to free him, Mordecai, Rigby, Toothpick Sally and Recap Robot must travel to the Mantis Planet to get it back.

In order to get back at the Bush Station, Colonel Rawls hires Muscle Man to prank them.

When Pops continues to have nightmares of an extraterrestrial creature asking for his address, the gang tries to help him.

Mordecai and Rigby must stop an evil brain after Rigby releases it from a cage.

After getting dumped by Pam, Benson goes looking for French Fries ingredients with a female asteroid named Roxy.

Colonel Rawls puts Rigby through safety training by pairing him up with the unbearable Spacey McSpaceTree.

Mordecai and Rigby must go to court after accidentally creating a barrage of sounds on a planet completely inhabited by sensitive ears.

Mordecai and Rigby go to see Fist Pump perform at the Tree Station, but get stuck in a space elevator whilst traveling to the top.

Mordecai and Rigby have to beat the Space Bush station in a dangerous race.

Mordecai and Rigby try to avoid spoilers of their favorite show, but Benson wants to spoil it to get revenge on them for forgetting to vacuum the house.

A mysterious new enemy, Anti-Pops, is after Pops forcing everyone on the Space Tree Station to evacuate.

After escaping Anti-Pops, the gang make a quick stop to buy new beds only to encounter a bounty hunter who is after Pops.

Mordecai and Rigby's butts get swapped after playing with a teleportation machine. Over time, the swapping spreads to other features, so they enlist Muscle Man for help.

The Park crew encounter the Alpha Dome, the first dome sent into space. When the crew go to investigate they find that its inhabitants believe that it is 1690.

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. (1/2)

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. (2/2)

The gang must travel to an ancient VCR that will play a VHS tape, made of ice, so that they can learn Pops' origins.

Earl, an ancient sensei, begins training Pops for his fight with Anti-Pops, but Pops is not sure if he can or should go along with it.

Earl begins training Pops through the technique of the training montage which allows trainers to bend space and time while leveling up. Mordecai and Rigby use one of their songs to help Pops and end up trapping the Park crew in a montage.

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. (1/2)

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. (2/2)

Despite all of his training, Pops still does not want to fight, so he sets up a meeting with Anti-Pops to settle things peacefully.

The crew arrive on Planet Nielsen where they are reunited with the Guardians of Obsolete Formats and meet the Seer who has been watching them since the very beginning.

Before arriving at Lolliland, Pops becomes despondent due to his approaching battle. The crew then try to cheer him up by recording their memories.

The crew arrive at Lolliland early, so they set up traps for Anti-Pops. Things seem to go off smoothly, but Anti-Pops is unfazed by their futile attempts.

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.

Mordecai and Rigby relive the first episode, but soon realize that they need to help Pops. Pops realizes that he must reach out to Anti-Pops and finally saves the universe at the cost of his life. The entire park crew return home to their friends and family where they are seen growing up and moving on to better lives. 25 years later, the entire crew return and Mordecai and Rigby reflect on Pops' sacrifice. Regular Show ends with Pops watching the series on VHS and uttering one final "Jolly Good Show".