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"Firework Run" is the eleventh episode of Regular Show's fourth season. It first aired on January 14, 2013, and was written and storyboarded by Andres Salaff and Madeline Queripel.


When Muscle Man accidentally sets off fireworks meant for a Fourth of July celebration at the park, he, Mordecai, Rigby and Hi-Five Ghost must travel south of town to buy a powerful (and illegal) firework at a factory.


On the morning of the Fourth of July, Muscle Man attempts a bouncing firework trick, with MordecaiRigby, and Hi-Five Ghost as his audience. He pulls it off, but a spark from one of the fireworks winds up igniting the master fuse, setting off all the fireworks. The sight of this enrages Benson. He angrily yells at Muscle Man for ruining the Fourth of July. However, when Muscle Man convinces him he can get more before sundown, Benson agrees, on the condition that he, Mordecai, Rigby and Hi-Five Ghost will all be fired if he is unable to get them, despite it being all Muscle Man's fault, before driving off.

The four drive to a warehouse south of town, the "South of the Line", which, according to Rigby, sells fireworks, as well as the supposedly spicy-hot Chili Rellenos. Muscle Man explains that the owner, Hector, is a friend of his, and also sells fireworks on the down-low. The four are taken inside by the employees to meet Hector, who is initially happy to see Muscle Man, but quickly becomes mad when they ask for fireworks. He reluctantly agrees to sell them a box of fireworks, but at double price, due to the purchase being last-minute. The gang couldn't afford a whole box, so they ask for a single, powerful firework, "El Diablo", but Hector refuses, saying that the firework would hunt down and kill him if it was lit, After Muscle Man begs him for help, he agrees to give them the box of fireworks, but only if the gang can deliver a package with no questions asked.

The gang are successful in the delivery to Hector's friend, Armando, but while waiting for another package to deliver to Hector, Rigby gets anxious, and opens the back door, which leads to the chili relleno factory. They then find out that the package they delivered was a box of gunpowder, the secret ingredient added to each chili relleno for spice. When Armando spots them, the gang are bagged up and brought back to Hector's warehouse.

The gang are unbagged as they are chained to a bench, with Hector waiting. Hector tells the gang that each chili relleno contains more gunpowder than is approved by the FDA, and that he is going to kill them for discovering the secret. He then lights an improvised explosive made from 6 chili rellenos, and goes to the neighboring room to watch through a window with his goons. However, the gang then blows up the bench by turning around and having the chili rellenos explode behind them, and then flee, but not before Rigby steals the El Diablo firework, and Muscle Man uses a chili relleno as another improvised explosive that destroys the warehouse. As they flee, Rigby notices that the sun is going down, which prompts Muscle Man to hit the accelerator, just as the roof of the cart is burning.

At the park, a huge crowd has gathered for the fireworks and are beginning to grow restless. Benson announces over a microphone for them to remain patient. When the gang arrive, Benson is furious they only got one firework, and fires them all. Hector suddenly appears, having survived the explosion (but with exposed robotic body parts). He holds the six at gunpoint, and states that he's going to kill them all, one by one, starting with Benson. The gang then begin to insult Hector's chili rellenos. Then Hector aims towards them instead and shoots a firework. The gang jump out of the way, causing the firework to hit the El Diablo, and set it off, revealing its true form as the South of the Line Chili Rellenos mascot. It does tricks with his double revolvers for the adoring crowd, and then turns to Hector. The mascot then pulls out a shotgun and shoots Hector several times with fireworks, catapulting him through the air, and landing him on his billboard, where he explodes, setting off every firework in the warehouse.

Everyone cheers as they watch the spectacular show. Benson then rehires Mordecai, Rigby, Muscle Man and Hi-Five Ghost, on the condition that they must replace all the grass they burnt. The episode ends as Muscle Man says he knows a guy who sells "real cheap sod".




  • Park
  • "South of the Line" Warehouse
  • Chili Relleno Factory



  • In this episode, the guys celebrate Independence Day, despite the episode airing in January.
  • When Muscle Man is walking towards a sliver door to Hector's warehouse, a lock is not present above the door handle. It appears when the scene cuts to a close up shot of Muscle Man knocking on the door.
  • Technically, eating gun powder will kill you, and the FDA still doesn't notice this.
  • Even though Rigby had broken the glass and stolen "El Diablo", in the next shot, we can find that "El Diablo" is still inside the glass.

Alternate Versions[]


  • The scene with the guard at Hector's friend's house was cut.
  • The scene of Hector watching the guys and laughing through the window was cut.
  • Hector's gold machine gun was replaced with a bazooka.

Official Releases[]

External Links[]

Regular Show: UK EDITS: Firework Run Regular Show: Production Errors - Firework Run