Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy
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Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy is the first two-part story of Captain Underpants book series. Both books count as the sixth and seventh novels in the titles.
Part 1: The Night of the Nasty Nostril Nuggets
Template:CUBooks At show and tell, George Beard and Harold Hutchkins show off a new prank of theirs, the Squishy. The idea is to place ketchup packets under a toilet seat so the next person who sits on the toilets gets ketchup sprayed all over the back of their legs (or the front, if they push down the toilet seat while standing in front of it).
Everyone wants to try it out, but Melvin Sneedly, the bossy nerd from book 2, forces everyone to watch his show and tell project, which is a combining machine called the Combinotron. Using his hamster, Sulu Sneedly, and a robotic hamster body he built, Melvin combines the two look-a-likes so Sulu is now a bionic hamster and enjoys the special powers given to him by the robot.
Since Sulu has special powers, Sulu no longer obeys Melvin, who threatens to hit Sulu with a paddle, and instead paddles Melvin. Melvin yells that he doesn't want Sulu anymore and runs off crying and George and Harold adopt Sulu. During last period, Melvin becomes furious when George and Harold make a Captain Underpants comic book starring him as an evil mayor who creates a robotic jail. Finally, when Melvin becomes the victim of a Squishy, he decides to get his revenge on the boys.
Melvin goes home and builds a robot that is the same size as him. His idea is to combine himself with the robot so he will have special powers like Sulu, that way he can get revenge on George and Harold. Unfortunately, Melvin sneezes at the last moment, so he gets combined with the robot and boogers, turning him into the Bionic Booger Boy.
Melvin is very disgusting now, but not unhappy because he's now the star football player (no one wants to tackle him because he's covered in boogers). Cold and flue season come, however, and Melvin begins to act differently, speaking like Frankinstein. When the class visits a tissue factory, Melvin becomes gigantic and evil as a natural defense against the tissues (which he calls "bad magic") and roas violently and destroys things.
George and Harold get Mr. Krupp to turn into Captain Underpants to save the day. He saves his secretary, Edith Anthrope, from the bionic booger boy, and she gives him some wet kisses as thanks. The water from the kisses turns him back into Mr. Krupp, and he is eaten up from his school's life... forever! Then Melvin goes for George and Harold.
But Sulu comes in to save the day and defeats Melvin. First Sulu hits Melvin on the head with a big cane. Then hits him in the belly with a big boxing glove. Finnaly Sulu gets a pair of big teeth and saps Melvin in the tushi. Tanquerder and Amy Sneedly, who are scientists, come in and pledge to try to help turn their son back to normal. George's suggestion, reversing the batteries in the Combinotron, surprisingly works, and Melvin and Mr. Krupp are brought back, with the robotic booger globs flying off. However, Mr. Krupp and Melvin start acting strange, with Mr. Krupp claiming credit for building the Combinotron, and saying you guys are so immature. While Melvin is giving punishments to George and Harold and saying that he wants to see George and Harold in his office. The book ends with the robotic booger globs coming to life, one of them destroying the Combinotron, forcing his pals to chase Melvin, Mr. Krupp, George, Harold and Sulu.
Captain Underpants And The Big, Bad Battle Of The Bionic Booger Boy Part 2: The Revenge of the Ridiculous Robo-Boogers
The three robo-boogers, Carl, Trixie & Frankenbooger, are about to destroy the four heroes when Sulu swallows them and then spits them into outer space. As everyone prepares to go home, it becomes obvious that there was a mistake with the Combinotron, and now Melvin and Mr. Krupp have switched bodies. Several jokes are made with this outline, including Kruppy the kid(Mr. Krupp in Melvins body) roars and Ms. Anterope to give him coffee or he'd fire her. Seeing only a fourth grader, Ms. Anthrope gives him a wedgie. As for Mr. Melvin( Melvin in Mr. Krupps body), he is also the basis of some abuse as he runs to hug his mother, who only sees a guy in his underwear coming to give her a hug, and promptly assaults him with her purse.
After these incidents, George and Haorold discover the mix up. Understanding the present situation, Kruppy the Kid orders Mr. Melvin to build another combinotron, but it will take six months. George suggests making a time machine to get the Combinotron back. Struck with what was originally George's idea, Mr. Krup snaps his fingers. But oddly, Kruupy the Kid becomes Captain Underpants, his alter ego and the superpowers somehow following Mr. Krupp into Melvin.
When "Kruppy the Kid" (in Melvin's body) turns into Captain Underpants, George and Harold are forced to tell the secret of Captain Underpants to "Mr. Melvin", who was utterly fooled by this because Captain Underpants is bald and Mr. Krupp has hair (it's strange that the kid with perfect grades couldn't see through Mr. Krupp's bad toupee).
Since it would take a long time to make a new Combinotron, Mr. Melvin decides to build a time machine, which is built in one day. He builds it in the school library, which is run by Miss Singerbrains, a biblioclast (book hater) (this is a response to the banning all of the books). The idea is that no one goes to the library because it only has one book in it.
Mr. Melvin explains to George and Harold that they must be careful with the time machine, because if it's used two days in a row, some unknown bad thing will happen. George and Harold go back in time two days and retrieve the Combinotron after it gets Melvin and Mr. Krupp back, but before it is smashed (they replace it with a look-alike). This is done thanks to the use of a memory-erasing machine called the Forgetchamacallit on Melvin's parents.
They go back to the time machine in the library, where Miss Singerbrains steals the Combinotron and the Forgetchamacallit. The boys go back in time and get a pterodactyl ("Crackers"), then go back to the when Miss Singerbrains stole their stuff, then get their machines back thanks to Crackers. Miss Singerbrains is convinced she is dreaming because dinosaurs don't exist. Harold goes to return Crackers back to his own time, then they erase Miss Singerbrains's memory and go back to their own time.
Meanwhile, Kruppy the Kid, as Captain Underpants, has been getting into trouble by doing stuff like preventing the school football team from winning an important game by stealing the ball, which he mistakes for a UFO. Kruppy the kid also destroys the skateboards of three skaters, and tries to rescue a cat from a tree. This backfires as Kruppy the Kid leaves two ladies he was trying to help across the street in the tree. The football team, the skaters, and the old ladies are now mad at Kruppy the Kid. Mr. Melvin gets Captain Underpants to come to them. He uses the Combinotron to switch them, so Melvin and Mr. Krupp are back in their own bodies, but Melvin sneakily gives himself Captain Underpants's superpowers.
Meanwhile, in space, Carl, Trixie, and Frankenbooger grab onto a spaceship that was examining Uranus, where the robot and the toilets from book 2 are. They hang onto the spaceship as the spaceship goes back to Earth. Once on earth, they start destroying the spaceship center.
Captain Underpants, despite the fact that he doesn't have super-powers, decides to go after the robo-boogers. George and Harold follow him. They originally lose to the robo-boogers, but figure out that the robo-boogers die when they come into contact with oranges (the vitamin C in the oranges counteracts against the cold that made the boogers). This way, they beat Carl, but Trixie & Frankenbooger become cautious and dodge the oranges.
Captain Underpants defeats the Robo-Boogers by standing on top of John's Toilet Store (the top of the store is a giant toilet lid) and doing an annoying dance. The robo-boogers start to climb up the building, when they get hit by a well-placed Squishy.
Soon George and Harold have to answer queations for the Eyewitness News crew, but Melvin comes and lies to the Eyewitness News crew, saying he beat the Robo-Boogers with his super-powers. George and Harold sneak back to the school while Melvin is interviewed by the news people. George and Harold return with the Combinotron and the Forgetchamacallit. They change Melvin and Captain Underpants so Captain Underpants has his powers again, then they erase the memories of the news crew and the TV audience.
Melvin wails about how he's not a superhero anymore, but everyone dosen't care because he was a selfish jerk for the past two books. Melvin gets his comeuppance when the people Captain Underpants bugged while he was in Melvin's body (Miss Anthrope, the football team, 2 old ladies, and 3 skateboarders) come back for revenge on him.
When George and Harold return to their clubhouse, George learns that Harold did not take Crackers back to the dinosaur age, but is keeping him as a pet, like Sulu. The next day, George, Harold, Sulu and Crackers go into the time machine to send Crackers back home, even though Melvin said something about not using the time machine two days in a row. The book ends with them starting the time machine, and something bad happening. The story ends with George yelling "OH NO!" and Harold yelling "HERE WE GO AGAAAAAAIN!" Which is what they always say at the end of a book
Trivia
Capain Underpants and the Big, Bad Battle of the Bionic Booger Boy is named after Kathy Whitehead's Stories: Booger Boy and Booger Girl.