Benson gets a pet pig named Applesauce and asks Mordecai and Rigby to look after him.

Rigby goes back to high school to graduate and earn his diploma, something he keeps secret from Eileen. But Eileen becomes suspicious when Rigby repeatedly cancels their dates.

In order to get high school credits, Rigby has to pass a foreign language class taught by Benson in China.

Rigby is irate that Eileen always correctly guesses the surprise dates he plans for her, sometimes before he can even tell her. He develops an elaborate, circuitous plan involving numerous fake locations and a fake biker gang to throw her off.

Pops is chosen to appear on a game show called Win That Prize and ends up being hired to a local TV station when his ideas and appearances become popular.

Eileen, Rigby, Mordecai, and Margaret go on a snow tubing trip while Eileen tries to conquer her fear of snow tubing.

Benson wants to get some street cred with the Park Managers’ Association and win the big chili cook-off.

The guys try to return a movie before they get hit with a late fee. Still, the tape gets stuck in the VCR.

Rigby's high school nemesis returns and tries to stop him from graduating from high school by making sure he fails gym class.

Thomas reunites with the Park Crew for one last Guys Night together before he goes into hiding forever.

When Mordecai and Rigby mess around with the cables in an old synthesizer, Gary disappears, and the guys then have to find a way to bring him back.

After Rigby wins a king-size bed, he gets rid of his trampoline but quickly regrets his decision and tries to get his trampoline back.

Feeling that the park guys only care about his strength, Muscle Man decides to prove that he can be smart by working in a corporate office.

Mordecai and Rigby have to wait at Maellard’s mansion and get a very important delivery.

Rigby must borrow his dad's car and return it unnoticed so he can drive Eileen to his school prom.

"The Dome Experiment" is back on again, and the guys are tasked to protect a large red button.

Benson has a crush on one of the Dome scientists, and he wants to sneak her a bucket of chicken wings so that he can ask her out.

Mordecai and Rigby are put on a 24-hour lockdown inside the Dome, but they want to sneak out and see one of their favorite bands.

Mordecai, Rigby, Muscle Man, and Hi-Five Ghost want to be VIP members at Cheezer's.

The duo deals with The Dome's scientists to help them search for Benson's car keys.

Rigby must write a speech for his high school graduation that will be broadcast on national TV. Meanwhile, Mordecai sinks into a depression over how Rigby is now more successful than he is, and the park workers finally find out the true intentions of the dome experiment.

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.

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.