第 8 季 共 31 集
播出时间：2016年9月27日
第 1 集 One Space Day at a Time
播出时间：2016年9月27日
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.
第 2 集 Cool Bro Bots
播出时间：2016年9月27日
The crew have an encounter with "brobots" whose purpose is to serve others, but Mordecai and Rigby are suspicious of them.
第 3 集 Welcome to Space
播出时间：2016年9月28日
After learning their true mission in space, the crew is excited to make history, but Benson still wants to return home.
第 4 集 Space Creds
播出时间：2016年9月28日
Mordecai and Rigby volunteer to rescue a scientist's ex-husband in exchange for space creds so they can buy hover shoes.
第 5 集 Lost and Found
播出时间：2016年9月29日
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.
第 6 集 Ugly Moons
播出时间：2016年9月30日
In order to get back at the Bush Station, Colonel Rawls hires Muscle Man to prank them.
第 7 集 The Dream Warrior
播出时间：2016年10月1日
When Pops continues to have nightmares of an extraterrestrial creature asking for his address, the gang tries to help him.
第 8 集 The Brain of Evil
播出时间：2016年10月4日
Mordecai and Rigby must stop an evil brain after Rigby releases it from a cage.
第 9 集 Fries Night
播出时间：2016年10月5日
After getting dumped by Pam, Benson goes looking for French Fries ingredients with a female asteroid named Roxy.
第 10 集 Spacey McSpaceTree
播出时间：2016年10月6日
Colonel Rawls puts Rigby through safety training by pairing him up with the unbearable Spacey McSpaceTree.
第 11 集 Can You Ear Me Now?
播出时间：2016年10月7日
Mordecai and Rigby must go to court after accidentally creating a barrage of sounds on a planet completely inhabited by sensitive ears.
第 12 集 Stuck In an Elevator
播出时间：2016年10月8日
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.
第 13 集 The Space Race
播出时间：2016年10月11日
Mordecai and Rigby have to beat the Space Bush station in a dangerous race.
第 14 集 Operation: Hear No Evil
播出时间：2016年10月12日
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.
第 15 集 Space Escape
播出时间：2016年10月13日
A mysterious new enemy, Anti-Pops, is after Pops forcing everyone on the Space Tree Station to evacuate.
第 16 集 New Beds
播出时间：2016年10月14日
After escaping Anti-Pops, the gang make a quick stop to buy new beds only to encounter a bounty hunter who is after Pops.
第 17 集 Mordeby and Rigbecai
播出时间：2016年10月15日
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.
第 18 集 Alpha Dome
播出时间：2016年10月21日
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.
第 19 集 Terror Tales of the Park VI (1)
播出时间：2016年10月28日
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)
第 20 集 Terror Tales of the Park VI (2)
播出时间：2016年10月28日
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)
第 21 集 The Ice Tape
播出时间：2016年11月4日
The gang must travel to an ancient VCR that will play a VHS tape, made of ice, so that they can learn Pops' origins.
第 22 集 The Key to the Universe
播出时间：2016年11月11日
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.
第 23 集 No Train No Gain
播出时间：2016年11月18日
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.
第 24 集 Christmas in Space (1)
播出时间：2016年12月2日
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)
第 25 集 Christmas in Space (2)
播出时间：2016年12月2日
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)
第 26 集 Kill 'Em with Kindness
播出时间：2017年1月15日
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.
第 27 集 Meet the Seer
播出时间：2017年1月15日
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.
第 28 集 Cheer Up Pops
播出时间：2017年1月17日
Before arriving at Lolliland, Pops becomes despondent due to his approaching battle. The crew then try to cheer him up by recording their memories.
第 29 集 A Regular Epic Final Battle (1)
播出时间：2017年1月17日
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.
第 30 集 A Regular Epic Final Battle (2)
播出时间：2017年1月17日
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.
第 31 集 The Power
播出时间：2017年1月17日
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".
