SMG4: Mario vs IT 🤡 is the thirty-ninth episode of Season 9 and the five hundred and thirty-seventh overall to be uploaded by SMG4.
This is the ninth video of the Halloween series. It was aired on October 26, 2019.
The actual episode starts on a rainy night, with Luigi playing in the rain with his doll. While he found it entertaining, Mario found no fun in it and proceeded to smack the doll out of his brother's hands and into a sewer current. As Luigi desperately tried to retrieve it, he was startled by Shrek, who was then smacked out by Pennywise the Dancing Clown. Luigi asked Pennywise for his doll back, but Pennywise refused and dragged the screaming plumber down the sewer by the leg.
Mario was shocked at what was happening and wanting to save Luigi (because apparently, he was the only one who knew the Wi-Fi password as Greg The Alien changed it), decided that he needed to think like a clown and get help from the biggest clown he knows: SMG4. Upon telling SMG4 about the incident, SMG4 described Pennywise, (also known as It), telling Mario it appeared every 27 years to feast on human flesh and could take the appearance of one's worst fears. Mario initially denied it, until SMG4 showed him a picture of broccoli in the computer. Due to hating broccoli, Mario screamed in panic, while SMG4 went to get help.
Unfortunately, almost everyone was trick-or-treating, with the exception of Toad and Fishy Boopkins, so they were forced to come along with Mario and SMG4 to fight Pennywise. When they went into the sewers, they found Pennywise, who flung Boopkins and SMG4 against a wall, kicked Mario away, and ripped Toad's mushroom head off after it terrified him by turning into Toadette, killing him. SMG4 stated that they needed to use Pennywise's one true weakness: firearms. The four (with Boopkins carrying Toad's body) chased after Pennywise to none other than a mansion, which they entered after Mario tossed Toad's body in to make sure it was safe.
Mario freaked out at his own reflection in a mirror, but after he realized it, the reflection turned into broccoli, causing Mario to freak out again. They chased Pennywise into another room, where it used the mirrors to project everyone's fears. Mario threw his head aside, grabbed a gun and fired like a maniac to shatter the mirrors. Then, they saw "Slenderman" playing the piano. Mario greeted his friend and asked how his wife and kids have been. However, "Slenderman" wanted a brofist, and Mario seeming complied, (with "Slenderman" getting ready to stab Mario) but at the last second, Mario turned on "Slenderman" saying that the real Slenderman would have started off with their secret handshake, which involved Slenderman throwing Mario over his shoulder. "Slenderman" was revealed to be Pennywise, who expressed dismay at the fact that Mario figured out that it was a trick, and retreated.
When the gang chased Pennywise, a clown version of Mario appeared and attacked Mario in the kitchen. SMG4 was unable to help, somehow incapable of telling whether Clown Mario was the fake or the real Mario. Boopkins saw an electric current and used it to revive the dead Toad. This caused Toad to go on a adrenaline rush, singing Last Surprise from Persona 5 in such a horrible voice that Clown Mario's head ended up exploding. After SMG4 snapped Toad back into conciousness, the gang continued to chase after Pennywise, entering the bottom of the well in the courtyard. They discovered a chamber where It revealed to have killed Luigi and took on its true form as Gooigi to attack the gang. As the group fought a losing battle against Gooigi, SMG4 discovered the Poltergust in Luigi's pocket and sucked up Gooigi with it. Luigi was thus revived and thanked Mario for helping save him (though Mario still wanted the Wi-Fi password). However, everyone soon realized they couldn't get out of the chamber by normal means and the episode ends with SMG4 saying "Ah, piss."
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