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E1 Dumptown U.S.A.
Benson is going to fire Mordecai if Rigby can't bring him back from a bizarre land of dudes also known as Dumptown USA.
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E2 The Parkie Awards
After Benson doesn't take home the award for Park Manager of the Year, the guys want to make him feel like a winner.
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E3 The Lunch Club
Rigby ruins Maellard's fancy lunch, and now he or Benson has to write a letter of resignation.
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E4 Local News Legends
Margaret really wants to host a weekly segment on the nightly local news.
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E5 The Dome Experiment Special
Benson is determined to prove he was right about the date of the "Dome Experiment".
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E6 Birthday Gift
Rigby is on a quest for the best birthday gift for Mordecai instead of usual lame ones.
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E7 Cat Videos
Mordecai and Rigby must get Benson to stop watching cat videos.
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E8 Struck by Lightning
Muscle Man and HFG get struck by lightning after a football match and lose their memory of being friends together. Will they be able to remember?
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E9 Terror Tales of the Park V
In Regular Show's fifth installment of "Terror Tales," Benson tries to spice up the park's annual Halloween party by renting a wishmaking machine.
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E10 The Return of Party Horse
Mordecai and Rigby want to help Party Horse get back together with his girlfriend.
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E11 Sleep Cycle
Mordecai and Rigby mess up their sleeping cycle because of watching a TV marathon and try to fix it.
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E12 Just Friends
After Rigby invites Eileen for his big brothers karate presentation, Mordecai gets concerned and worried when hanging out with Margaret.
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E13 Benson's Pig
Benson gets a pet pig, and asks Rigby and Mordecai to look after it for him.
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E14 The Eileen Plan
Rigby goes back to High School to study rocks, but wants to keep it a secret from Eileen.
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E15 Hello China
In order to get high school credits, Rigby has to pass a foreign language class taught by Benson in China.
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E16 Crazy Fake Plan
Rigby has to create a massively crazy fake plan in order to surprise Eileen for the first time ever.
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E17 Win That Prize
Pops wants to go on his favorite game show "Win That Prize," but instead gets deeply involved in the television industry.
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E18 Snow Tubing
Rigby tries to get Eileen to go snow tubing.
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E19 Chili Cook Off
Benson takes place in a chili cook off that needs to be made with ingredients less than $50
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E20 Donut Factory Holiday
Mordecai, Rigby, Muscle Man, and High-Five Ghost are watching their favorite "Terrible-Horror" movie "Donut Factory Holiday". They have to get it back to the video store soon, but then they can't get it out of the VCR.
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E21 Gymblonski
Rigby's high school nemesis returns and threatens to ruin his chances at passing gym class and graduating high school.
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E22 Guys Night 2
The bros go on a second adventure before Thomas goes into hiding as an agent.
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E23 Gary's Synthesizer
Mordecai and Rigby unplug some cables to an old synthesizer, and they have to travel to the planet of Synthos with Skips in order to re-connect them and bring Gary back to life.
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E24 California King
Rigby goes to the dump to get back his trampoline that he regrets throwing away.
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E25 Cube Bros
Muscle Man is sick of being used for all the strong jobs at the park. So he decides to work at an office to show people he's smart too.
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E26 Maellard's Package
Mordecai and Rigby take a job for receiving Mr. Maellard's package, which is very important.
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E27 Rigby Goes to the Prom
Rigby wants to take Eileen to his school prom.
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E28 The Button
The guys have to protect a large red button from being pushed.
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E29 Favorite Shirt
The guys must get Muscle Man's favorite shirt back on him before he awakes.
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E30 Marvolo The Wizard
Pops thinks he's mysteriously in medieval times and a wizard named Marvolo.
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E31 Pops' Favorite Planet
Mordecai, Rigby, and Pops go camping to see Pops' favorite planet through his telescope.
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E32 Pam I Am
Benson try to win over a dome employee named Pam by sneaking her hot wings.
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E33 Lame Lockdown
The head scientist puts Mordecai and Rigby on a 24-hour lock down inside the Dome, but they want to sneak out and see one of their favorite bands.
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E34 VIP Members Only
The guys hope to be VIPs at Cheeser's.
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E35 Deez Keys
Mordecai and Rigby have to sneak into the dome laboratory to get Benson's keys back.
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E36 Rigby's Graduation Day Special
Rigby has to give a speech at his high school graduation. The speech will be broadcast live on a TV show called "Inspire America," and Rigby wants to make it memorable.