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Super Mario 64 Bloopers: Who let the Chomp out?, more often simply called Who let the Chomp out?, is the 195th blooper made by SuperMarioGlitchy4. It is currently his 1st most popular video, with countless views still rising today.
The Chain Chomp of Bob-omb Battlefield is free thanks to the Gourmet Guy. Mario, Luigi, Peach, SMG4 and Toad now must do everything to get away from the Chomp. But there is another problem: Peach left the stove on, and now someone has to get out there and save the Castle from burning down.
The Chain Chomp Attacks
The blooper starts at Bob-omb Battlefield with Mario trying to communicate with several Goomba. After doing a mating dance, the Goomba multiply and attack Mario. SMG4 rescues Mario and the two come across a Chain Chomp. The Bob-omb Buddies notice Mario and SMG4 with the Chomp and send Gourmet Guy after them, who crushes Mario. SMG4 checks the pole that tethers the Chain Chomp to the ground, while Gourmet repeatedly squishes Mario, until he pushes him off, crushing the pole in the process. SMG4 then tells Mario to run as the Chain Chomp starts chasing them. Mario sprints away from the now-free Chain Chomp as the Chain Chomp hits the camera. Along the way, SMG4 and Mario run past a Koopa Troopa. The Chain Chomp hits the Koopa Troopa, wearing sunglasses, in a car whilst saying “It's raping time!". Mario throws a rapper Old Man Hobo singing, 'Who Let the Dogs Out' at the Chain Chomp, but still the Chain Chomp kept his eyes on Mario and SMG4. Suddenly, Luigi appears from a pipe, but upon looking at the Chain Chomp, he runs back along with SMG4 and Mario. The Chain Chomp runs into the pipe as well. Inside the sewers underneath the castle, Mario witnesses the Chain Chomp slowly making its way towards the exit. He sees a group of Toads saying "Hey! Hey, Mario!". Desperate, he uses them as a blockade but ends up failing because the Toad blockade was no match for the Chain Chomp. Running upstairs to the castle, SMG4 tells Peach to "RUN B***H! RUUUUN!". He, Peach, Mario, Luigi, and a Toad hide in the room with a picture of Whomp Fortress.
Turn off the Oven
The Chain Chomp is outside the hallways, looking for the five. Toad asks what happened and SMG4 says that there was a scary dog. Mario complains, but SMG4 reassures him saying someone will find them all, only for a smoke detector to ring. Peach, frantically, screams "AAAAAAH! THE MEATLOAF!" as an oven was left on and is on fire. Peach hurries off, but the Chain Chomp starts to attack her. She returns to the room and admits to SMG4 that she left the oven on. He calls her a b***h, but Toad reassures everyone that he and his friends can fix it. However, the Toads are easily burned. SMG4 tells Mario to turn it off. Mario refuses, but SMG4 tells him that the Chain Chomp will eat all of the spaghetti, which upsets Mario. Mario sneaks up near the Chain Chomp, who is sleeping. The Chain Chomp woke up from the sound of a doorbell. The person who answered was Sonic the Hedgehog. The Chain Chomp asked him if he wants to be friends with him, to which he accepts. Then he spots a refrigerator containing spaghetti. He ate it, then fell back asleep. Mario tries to sneak up to eat the spaghetti, much to SMG4's dismay. Mario says "It tastes like sh*t!", which made the Chain Chomp wake up in an angry way. He uses hyper beam on Mario.
Mario, with his head, blasted off, complaints to SMG4 again. Meanwhile, Toad and Peach are playing Super Smash Bros., with Toad as Kirby and Peach as Samus. Toad defeats Peach and rubs it in her face. SMG4 asks where Luigi is, and Mario responds that he wants to help, so he went to turn the oven off. Luigi succeeds and dances, but the room is still on fire. Luigi is burnt and is presumably killed. Mario says that Luigi was his brother and he was up for it. SMG4 says it makes sense.
let's get outta here!
The two throw Luigi's corpse as bait for the Chain Chomp. However, they discover it's gone. Hearing barking, SMG4 gets concerned. Toad and Peach are now playing Mario Party 9. The two were playing on the Magma Mine 2nd Boss Level as themselves, with the other two COM characters being Yoshi and Waluigi. When the mine carts got near the Chain Chomp, the Chain Chomp that made SMG4, Mario, Luigi, Toad, and Peach burst through the TV and said, "Surprise, Motherf***er!". Toad and Peach hurry outside the room where the Chain Chomp bombed through the door, frightening Mario and SMG4 (Luigi disappeared at that time). The exit is barricaded by the Gourmet Guy who was outside listening to 'I Sit on You'. Toadsworth volunteered to help save the foursome. Mario asked if he was going to throw his walking cane, but Toadsworth transformed into a princess-version of himself, where he used a machine gun to vanquish the Chain Chomp. When the foursome tried to make a getaway by going up the stairs, there was fire everywhere. Toadsworth was out of ammo, then the Chain Chomp fires his own gun. Toadsworth asks "You mad at me?". The Chain Chomp fires Dr. Robotnik at Toadsworth. The two went into the hallway and tried to make it to the courtyard. Mario fell on the ground and told the three to go on without him. SMG4 was okay with it, but Mario angrily followed anyway. The Chain Chomp bombed through the door that led to the courtyard, forcing Mario and SMG4 to run into the basement.
The Epic Finale
SMG4 thinks that he and Mario have lost the Chain Chomp. Mario whimpers, but SMG4 reassures him. However, The Chain Chomp starts barking in another room. Mario says 'bye-bye' to Luigi, Princess Peach, Bowser (technically not in this blooper) and Toad ("You son of a b***h!") with a troll face. SMG4 told him to be a man, but Mario said it wasn't possible. Someone said, "Wow, what an a*****e!". Mario looked at that someone, and it was the Chain Chomp. He and SMG4 backed away, but the Chain Chomp got near them. SMG4 screamed like a girl and threw an invincibility star at the Chain Chomp, turning him into Pac-Man. Mario, angrily said “You are STUPID!" where SMG4 replied, "Shut the f**k up!". As Pac-Man chased the duo, the duo ran into a dead end. But Pac-Man turned himself back to the Chain Chomp. Mario finally had enough, so he throws a Bob-omb at the Chain Chomp. The Chain Chomp tearfully says, "I just want to be your friend!". SMG4 apologizes, but Mario doesn't give an f**k. The Chain Chomp flies out of Peach's Castle. The Bob-omb Buddies mourn the 'loss of their beloved Chain Chomp, only for the Chain Chomp to fly back to his original position. Mario and SMG4 are relieved that the Chain Chomp is gone, but the tower of Peach's Castle has fallen down because of the fire that was still ongoing.