The Power: Mordecai and Rigby try to repair a hole in the wall of their house before Benson finds out, and end up banishing things and people with a magic keyboard.
Just Set Up the Chairs: Mordecai and Rigby are hired to set up chairs for Benson to prove that they can do a job without slacking off, but an old arcade game nearly brings about the end of the world.
Caffeinated Concert Tickets: To earn concert ticket money for their favorite band, Fist Pump (who are now on tour after an unspecified stint in both jail and rehab), Mordecai and Rigby work overtime, but when they still can't the money needed for the concert, they call upon a Japanese man and his giant coffee bean for money and caffeine.
Death Punchies: Rigby's fighting skills turns deadly after Rigby learns 'Death Kwon Do' in order to beat Mordecai at a video game.
Free Cake: Mordecai and Rigby decide to throw a surprise party for Skips, who is in the middle of a ritual that ensures his immortality.
Meat Your Maker: Mordecai and Rigby are stuck in a meat locker and encounter man-eating talking hot dogs.
Grilled Cheese Deluxe: A simple trip to get Benson's grilled cheese sandwich turns into a space expedition when Mordecai and Rigby claim that they are astronauts.
Prank Callers: Mordecai and Rigby's prank calls send them back in time to the 1980s.
Don: Thanks to Pops trying to pay the park's taxes in lollipops, the park is going to be audited, but not if Rigby's brother, Don, comes in and saves them.
Rigby's Body: Rigby's body rejects his conscience after eating too much junk food.
Mordecai And The Rigbys: Mordecai and Rigby need to learn to play music in time for an open-mic night they signed up for while in a sugar-induced high, and their future selves arrive to teach them.
Ello Gov'nor: Rigby begins freaking out when a British taxi begins haunting him.
It's Time: Mordecai gets jealous of Rigby when Rigby begins flirting with his crush, a red-breasted robin named Margaret.
Appreciation Day: After being shortsighted by Benson awarding members of the park, Mordecai and Rigby try to alter the course of history in their favor.
Peeps: Fed up with Mordecai and Rigby slacking off, Benson installs cameras on Mordecai and Rigby while they work.
Dizzy: Mordecai and Rigby need to rescue Pops from an alternate dimension minutes before an important ceremony (in which Pops is supposed to give a keynote speech).
My Mom: Under Benson's rules, Mordecai and Rigby are forced to work with Muscle Man, a loud, crude, green, pink-eyed, overweight man who loves making Double Entendre-laden jokes about his mom.
High Score: Mordecai and Rigby master an arcade game, but must defeat a prior high scorer, Garrett Bobby Ferguson, in an attempt to earn respect.
Rage Against the TV: After their television set breaks down, Mordecai and Rigby seek new TV to help them win a video game, which summons a virtual enemy from the game.
Party Pete: Mordecai and Rigby throw a party (despite Benson's orders prohibiting this), but when the party is dead on arrival, they use vintage cola from 1984 and a babe magnet party entrepreneur named Party Pete.
Brain Eraser: In this very revealing episode (and one that surprisingly hasn't been banned from any and all domestic and international airingsnote though the Latin American dub does edit out nudity with censor blurs, cropping, and alternate footage), Mordecai is haunted by images of Pops au naturel after accidentally catching Pops coming out of the shower, and the only thing that can cure that is a Japanese anime that acts as Brain Bleach.
Temp Check: Rigby hires a temp, an otter named Doug, who later tries to take over his life.
Jinx: Rigby is jinxed (forced into not talking until someone says his name), and must find a way out of his predicament when things turn sour after he performs a mirror ritual.
See You There: Mordecai and Rigby try to get invited to High Five Ghost's costume party — and end up being turned to ghosts.
Do Me A Solid: After Rigby reluctantly agrees to attend a double date with him with Margaret and her friend Eileen (a half-human, half-mole girl), Mordecai owes him an embarrassing favor.
Grave Sights: A scary movie night to save the park turns into a zombie apocalypse.
Really Real Wrestling: Mordecai and Rigby want to watch a wrestling match live, but after unintentionally hurting Pops, Benson punishes them by making then look after Pops instead.
The Night Owl: A radio station contest for a new car pits Muscle Man, High Five Ghost, Mordecai, and Rigby against each other — and a stasis in liquid nitrogen sends the four into the very distant future, where they must work together to get back to the past.
Over the Top: After unintentionally killing Rigby, Skips is faced with an arm wrestle with Death in order to save Rigby.
A Bunch Of Baby Ducks: Mordecai and Rigby must find someone to take care of four baby ducks living in a park fountain after growing attached to them.
More Smarter: After Mordecai makes funny of Rigby for not having a high school diploma, Rigby buys a drink that makes him smarter.
Go Viral: The quest to make a viral video sends Mordecai, Rigby, and Pops into a cyberworld where viral video stars get to relive their humiliating stunts over and over.
Skunked: Rigby gets sprayed by a were-skunk, and if he doesn't get the stench off him, he will be one too.
Karaoke Video: The morning after a sugar-induced bender finds Mordecai and Rigby discovering that they made an embarrassing karaoke video (consist of them badmouthing their co-workers) — and when Benson announces that the park employees are having mandatory karaoke night, the duo must do battle with Carrie O'Key to keep the tape from being shown.
Stick Hockey: Benson attempts to correct his error of throwing away a stick hockey table found by Mordecai and Rigby by helping the duo recover it. The duo then discovers that Benson had been a stick hockey champion, and that the only way to recover their table is to fight for it in a stick hockey showdown.
Bet to Be Blonde: After Mordecai loses a bet he made with Rigby, he must dye his hair blond. He ends up joining a cult consisting of blond people, and now Rigby must prevent Mordecai from being brainwashed beyond the point of no return.
Skips Strikes: Skips, alongside Mordecai, Rigby, Benson, and Pops, must bowl Death's team in a showdown on the lanes, or risk sacrificing their souls based a bet enacted by Rigby.
Terror Tales of the Park: In this Three Shorts episode, modeled after The Simpsons "Treehouse of Horror" Halloween episodes, Pops befriends a murderous doll, Muscle Man and High-Five Ghost are haunted by the horrible music of a 1980s death metal band, and Rigby is cursed by a wizard after throwing eggs at his house.
Camping Can Be Cool: A camping trip goes pearshape for Mordecai, Rigby, Margaret, and Eileen — and things get worse when they encounter a half-human, half-deer creature.
Slam Dunk: Mordecai and Rigby must challenge Muscle Man and High Five Ghost to a basketball competition in order to win time to use the computer so Mordecai can assist Margaret in creating a website. They get assistant from a humanoid with a basketball for a head.
Cool Bikes: Mordecai and Rigby pursue new bikes and apparel, hoping for an increase in their popularity to make Benson admit they are cool, but are put on trial for being too cool to live.
House Rules: Mordecai and Rigby grow weary of Benson's new rules for the park house, and subsequently leave in favor of a anarchistic alternate universe.
Rap It Up: Tyler The Creator and Childish Gambino guest star as rappers bent on spinning mad rhymes against Mordecai and Rigby, who must drop some fresh lyrics in order to defend Pops' honor.
Cruisin': Mordecai and Rigby attempt to get girl's phone numbers in order to win a bet with Margaret and Eileen, and end up on a wild car chase with two women on the run from their boyfriends.
Under the Hood: A graffiti artist is on the loose in the park, and Mordecai and Rigby are left with cleaning the mess and accidentally blames it on Muscle Man which gets him fired.
Weekend at Benson's: In this parody of Weekend at Bernie's, Mordecai and Rigby accidentally knock Benson out cold, and together they must come up with a plan to ensure he won't fire the two by the time he wakes up. However, they stumble upon a spice-eating competition after Benson impresses his neighbor which makes her ex-boyfriend gets jealous.
Fortune Cookie: Rigby tries to improve his luck by swapping cookie fortunes with Benson, sending Benson spiraling down a path of misery after Benson's swapped fortune comes true.
Think Positive: Pops punishes Benson for yelling at Mordecai and Rigby too frequently, but soon realizes that he must allow Benson to vent his anger before Benson major meltdown.
Skips vs. Technology: Skips — normally adept at fixing everything — discovers that he's not good when it comes to computers.
Butt Dial: Mordecai accidentally dials Margaret while singing a love song about her, and he must find a way to erase the embarrassing message he left on her voicemail.
Eggscellent: Mordecai must eat a giant omelette in order to save Rigby (who did the same thing to get the hat himself, only to realize too late that he has a fatal allergy to eggs).
Gut Model: Muscle Man is chosen to be a model — for maternity wear, after agents see potential in his chubbiness and when he thinks his co-workers don't appreciate him.
Video Game Wizards: Mordecai and Skips compete in a video-game contest in hopes of winning a new game controller, much to Rigby's dismay that Mordecai would choose Skips over his best friend.
Big Winner: Mordecai and Rigby give Muscle Man a fake lottery ticket to prank him, but the prank goes awry when Muscle Man causes destruction and begins buying everything under the assumption that he's rich and can pay for any and all outstanding purchases and damages.
The Best Burger in the World: Mordecai and Rigby use holographic clones to do their work while they try to get legendary burgers from a famous food truck.
Replaced: Mordecai and Rigby fend for their jobs after Benson replaces them with an ostrich and a possum named Chad and Jeremy.
Trash Boat: Rigby legally changes his name to "Trash Boat", which he later regrets. But a man named "The Urge" comes after Rigby for taking away media attention from him for having a bizarre name.
Fists of Justice: Mordecai and Rigby do Skips' workload for a day as a birthday gift.
Yes Dude Yes: Mordecai thinks Margaret is engaged to another bird, so, after a long depression, he starts dating a cloud girl named C.J.
Busted Cart: A road trip with Mordecai, Rigby, and Benson takes a depressing turn, seeking repairs to the cart that's under warranty.
Dead at Eight: Death needs a babysitter for his son, Thomas, who recruits Mordecai and Rigby for the job in exchange for Muscle Man's soul.
Access Denied: Mordecai and Rigby try to get into a club for Margaret's birthday party where they run into the owner of the club named Ladonna.
Muscle Mentor: Rigby must prove he can complete a task by taking an embarrassing mentorship program with Muscle Man to avoid the risk of losing his job.
Trucker Hall of Fame: A Day in the Limelight episode for Muscle Man. When he gets news from his brother that his father died in a horrible bear mauling, Muscle Man, Rigby, and Mordecai go on a road trip to spread Muscle Dad's trucker hat ashes.
Out of Commission: Mordecai and Rigby help the park's busted cart grant his final wishes before drowning himself in a lake.
Fancy Restaurant: It's a slacker version of My Fair Lady when Mordecai and Rigby train Muscle Man into being a proper gentleman to impress Starla and her parents.
Diary: Chaos ensues when Mordecai and Rigby accidentally destroys Margaret's diary and they get Skips to help fix it.
The Best VHS in the World: Mordecai and Rigby must return a video cassette to the video rental store — and find a troll who worships the video like a golden idol.
Prankless: After Muscle Man almost kills Pops with his prank, he retires from pranking, but a rival park run by a living snack vending machine named Gene wages another prank war against Benson's park and the gang needs to get Muscle Man back.
Death Bear: Mordecai and Rigby pose for a dangerous picture in an abandoned zoo to impress Margaret and Eileen.
Fuzzy Dice: Mordecai, Rigby, Benson, Skips, Muscle Man, and High-Five Ghost go to a Chuck E. Cheese-style arcade/pizzeria in order to win a pair of fuzzy dice for Pops' birthday, but the dice have a treasure that the animatronic band wants before the police can catch them.
Sugar Rush: Mordecai and Rigby buy doughnuts for Benson's upcoming meeting, but the doughnuts they buy are so sugar-coated that they cause time to speed up and slow down when eaten — which they find out too late when Pops eats them.
Bad Kiss: Mordecai travels back in time to stop himself from kissing Margaret after realizing that he has bad breath.
Exit 9B: In this special half-hour episode, an anthropomorphic goat named Thomas comes to the park as an unpaid intern — amidst an epic battle between the park workers and all of their past enemies.
Starter Pack: Mordecai and Rigby are worried that Muscle Man's pranks on Thomas may be too much for him.
Terror Tales of the Park II: In this second Three Shorts Halloween episode, Mordecai's uncle comes back from the dead for unfinished business, Mordecai, Margaret, Rigby, and Eileen go on a party bus that ages its passengers, and Mordecai and Rigby hire Jan the Wallpaper Man — who papers the house in stripes and captures the others in a web.
Pie Contest: Little white lies haunt Mordecai and Rigby while they judge a pie-baking contest.
150 Piece Kit: Benson wants to prove that he performed an impossible drum solo, but his former bandmates (and a synthetic drum machine) don't want anyone to find out this dirty secret.
Bald Spot: Muscle Man fears he may be going bald and flexes his man boobs to keep anyone from noticing — until he becomes a chick magnet and a punching bag for jealous boyfriends.
Guy's Night: To prove he's one of the guys, Pops tries to chug an entire gallon of milk, but every attempt makes him sick.
One Pull Up: Rigby has to do one pull-up to pass the park's physical and keep his job at the park.
TGI Tuesday: Mordecai, Rigby, and Eileen plan a party for Margaret, who may be transferring from junior college, and must contend with the ghosts of 1980s DJs who consider the park's ballroom a sacred ground.
Firework Run: After accidentally setting off the fireworks display needed for a Fourth of July celebration, Muscle Man takes High Five Ghost, Rigby, and Mordecai to Mexico to get illegal fireworks from a famous chili pepper manufacturer.
The Longest Weekend: Muscle Man tries not to contact his girlfriend, Starla, for an entire weekend to test their relationship.
Sandwich of Death: Mordecai and Rigby order the Sandwich of Death from the Death Kwon Do's pizza and sub shop, but Benson ends up eating it and is now near death.
Ace Balthazar Lives: Mordecai and Rigby find out that the crazy guy who lives in the mattress fort near the park may be Ace Balthazar from the band Adrenaline (the same band that appeared in "150-Piece Kit," only the band on the former episode was called "Hair to the Throne"), who presumably died in a bus crash, and try to get him back together with his other bandmates.
Do Or Diaper: Muscle Man bets Mordecai that if he kisses Margret within the week he will wear a diaper, and if he doesn't Moredcai will have to.
"Quips": Skips' joke-cracking cousin Quips comes to visit.
"Caveman": After Mordecai and Rigby accidentally defrost a caveman, they try to civilize him so he can stay at the park.
"That's My TV": Mordecai and Rigby help a 1980s sitcom star escape starring in a revival of his famous show to the mountains where he can be at peace away from network heads and obsessed fans.
"A Bunch of Full Grown Geese": In this, the 100th episode, Mordecai and Rigby call upon their baby duck friends from "A Bunch of Baby Ducks" to help them fight back against a bunch of full grown geese.
"Fool Me Twice": Mordecai, Benson, and Rigby are transported by phone to a sadistic Japanese game show.
"Lunchtime Limousine": Mordecai and Rigby are ordered to keep Maellard's (Pops' father) limo from getting dirty, but a meatball sub slip-up prompts them to take it to an auto body shop where one of the workers uses the limo in a demolition derby.
"Picking Up Margaret": Mordecai volunteers to drive Margaret to the airport, and gets hounded by many The Warriors-style street thugs.
"K.I.L.I.T Radio": Muscle Man writes a love song for Starla and tries to get the tape played on K.I.L.I.T Radio, only to discover that the radio station is overrun by a supercomputer that was brought in to cut costs on employing human D.J.s.
"Carter and Briggs": Mordecai and Rigby compete for a chance to win a cameo on their favorite cop show.
"Skips' Stress": Skips discovers that a dark being lives in him and will kill him — his stress.
"Cool Cubed": Thomas the intern is put into a coma after drinking a deadly smoothie from the "Fast and Easy" known for literally freezing someone's brain.
"Trailer Trashed": Muscle Man's trailer is declared a health hazard and only Mordecai, Rigby, and the gang can stop the health inspectors from taking it away.
"Meteor Moves": Mordecai tries to get a kiss from Margaret on the night of a meteor shower.
"Family BBQ": Mordecai is invited to Margaret's barbecue and finally meets her father for the first time.
"The Last LaserDisc Player": Muscle Man, Mordecai, and Rigby call upon the Obsolete Format Guardians to help them find the last known laserdisc player in the world.
Country Club: The park workers must contend with snooty country club members.
"Blind Trust": Pops forces Benson to undergo a trust building exercise in the woods with Mordercai and Rigby.
"World's Best Boss": The park workers struggle to get a World's Best Boss mug for Benson for his tenth anniversary working at the park.
"Last Meal": When Starla forces him to go on a diet, Muscle Man enlists Mordercai and Rigby's help to binge on all his faviorite foods before his diet kicks in.
"Sleep Fighter": The park workers try to figure out why Muscle Man keeps pummeling them in his sleep.
Party Re-Pete: In a sequel to the season 1 episode Party Pete, the park workers must save Benson after he's abducted by an evil party company.
"Stake Me Amadeus": Mordecai plans a special dinner to ask Margeeret to ofically be his girlfriend, only to get caught in the middle of a counterfeit restaurant money scam.
"Laundry Woes": Mordecai and a reluctant Rigby go on a road trip to return one of Margret's sweaters after she leaves for college.
"Silver Dude": Mordecai and Rigby try their hand at street performing using their songs to get money for a video game.
Bensons Car: Mordecai and Rigby end up all the way out in the sticks when they accidentally destroy Benson's windshield.
"Every Meat Burritos": Mordecai, Rigby, Muscle Man and High-Five Ghost must find a car in order to get burritos from a drive-though.
Wall Buddy": Mordecai and Rigby must clean their room, but Rigby tries to find a way to avoid doing so since most of the garbage is his.
"A Skips in Time": Skips past self, Walks, shows up in the present thanks to a freak balloning accident, and must be returned to his own time before Skips ceases to exist.
"Survival Skills": Mordecai and Rigby are charged with bringing tortillas for quesadillas.
"Terror Tales of the Park III": The guys hold a bet for people who can tell the scariest story. These stories are "Killer Bed", where Rigby buys a bed only for it to be a murderer turned into one, "Jacked Up Jack-O-Lantern", where Muscleman, High Five, Mordecai and Rigby smash a pumpkin's wife and pay the price, and "The Previous Owner", where the house is haunted by a poltergeist and Mordecai, Rigby, Muscleman, High Five and Pops stay the night while he's there.
"Tants": Pop's gives Mordecai and Rigby the gift of Tants- pants that are part table.
"Bank Shot": Rigby ends up in a high stakes bet with a guy over a game of Bank Shot at Wing Kingdom
"Power Tower": Muscle Man enters a body building competition so he, Mordecai and Rigby can play ping pong at Power Tower, a gym Muscle Man used to frequent.
"Thanksgiving Special": Mordecai and Rigby must replace the turkey after they destroy it before their families arrive.