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.

The bros go on a second adventure before Thomas goes into hiding as an agent.

Rigby wants to take Eileen to his school prom.

Benson is determined to prove he was right about the date of the "Dome Experiment".

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.

Rigby ruins Maellard's fancy lunch, and now he or Benson has to write a letter of resignation.

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

Rigby goes to the dump to get back his trampoline that he regrets throwing away.

Mordecai, Rigby, and Pops go camping to see Pops' favorite planet through his telescope.

Benson is going to fire Mordecai if Rigby can't bring him back from a bizarre land of dudes also known as Dumptown USA.

Rigby goes back to High School to study rocks, but wants to keep it a secret from Eileen.

Rigby has only one more class to get his diploma, P.E but when he finds out the teacher is an old bully he will have figure out how to pass.

Mordecai and Rigby mess up their sleeping cycle because of watching a TV marathon and try to fix it.

Rigby has to create a massively crazy fake plan in order to surprise Eileen for the first time ever.

Pops wants to go on his favorite game show "Win That Prize," but instead gets deeply involved in the television industry.

Benson try to win over a dome employee named Pam by sneaking her hot wings.

After Benson doesn't take home the award for Park Manager of the Year, the guys want to make him feel like a winner.

Rigby tries to get Eileen to go snow tubing.

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.

The guys have to protect a large red button from being pushed.

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.

Rigby is on a quest for the best birthday gift for Mordecai instead of usual lame ones.

After Rigby invites Eileen for his big brothers karate presentation, Mordecai gets concerned and worried when hanging out with Margaret.

Pops thinks he's mysteriously in medieval times and a wizard named Marvolo.

The guys hope to be VIPs at Cheeser's.

Mordecai and Rigby have to sneak into the dome laboratory to get Benson's keys back.

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?

Benson takes place in a chili cook off that needs to be made with ingredients less than $50

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.

Mordecai and Rigby take a job for receiving Mr. Maellard's package, which is very important.

The guys must get Muscle Man's favorite shirt back on him before he awakes.

Margaret really wants to host a weekly segment on the nightly local news.

Benson gets a pet pig, and asks Rigby and Mordecai to look after it for him.

Mordecai and Rigby must get Benson to stop watching cat videos.

Mordecai and Rigby want to help Party Horse get back together with his girlfriend.