Original airdate: November 22, 2010 Mordecai and Rigby form a band. When they find a magical microphone that makes anyone who hears their song dance forever, they accidentally use it on the park. They must reverse the spell.
Original airdate: October 4, 2010 Mordecai and Rigby try to get free birthday cake at a kidās party. They must prove they are under 13 by passing a series of humiliating tests. Meanwhile, Benson chases them.
Original airdate: September 6, 2010 Mordecai and Rigby find a magical keyboard that can control reality by typing words. They abuse it to avoid work, leading to chaos when Rigby types āpizzaā and a giant sentient pizza attacks the park.
Original airdate: September 13, 2010 Tasked with setting up chairs for a corporate retreat, Mordecai and Rigby try using a cloud of āun-set-up-ableā chairs to finish faster. The chairs rebel, forming a giant chair monster.
Hereās a concise content overview for Regular Show Season 1 (2010), including episode titles, original airdates, and brief plot summaries.
Original airdate: November 8, 2010 Mordecaiās old friend Don visits, showing off his perfect life. Rigby grows jealous and tries to sabotage Don, only to learn Don is secretly a supernatural being testing their friendship.
Original airdate: October 11, 2010 The park bans meat. Mordecai and Rigby sneak burgers from a mysterious van, only to discover the meat is alive and seeks revenge. The burgers attack the park.
Original airdate: October 18, 2010 After eating a perfect grilled cheese, Mordecai and Rigby become addicted. They travel to a magical āCheese Landā to find the recipe, but must battle an evil wizard.
Original airdate: November 15, 2010 Rigby wishes he were more muscular. A magical workout tape swaps his mind with a bodybuilderās. Now his original body runs wild, and he must get it back before Benson finds out.
Original airdate: September 20, 2010 The duo needs money for concert tickets. They drink an extreme amount of coffee to work faster, becoming hyperactive and destructive. Their caffeine crash nearly ruins everything.
Original airdate: November 1, 2010 Mordecai and Rigby prank-call the local TV station. The prank unleashes a sinister duo (The Prank Masters) who trap the park workers in a dimension of endless pranks.
Original airdate: October 25, 2010 Rigby tries to impress a girl by claiming he has unicorns. When real unicorns show up, they trash the park. Mordecai and Rigby must banish them with a magical rainbow.
Original airdate: September 27, 2010 Rigby challenges Mordecai to a video game, but when he loses, he learns āDeath Punchiesā (a deadly martial art) from an instruction manual. The fight escalates into a real brawl.
Season 1 originally had 12 episodes. Some streaming platforms combine the pilot or specials, but this is the standard season 1 list.