Captain Underpants and the Perilous Plot of Professor Poopypants

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Captain Underpants and the Perilous Plot of Professor Poopypants  is the fourth book in the   Captain Underpants  series written by   Dav Pilkey. In the book, a scientist moves to Jerome Horitz in Piqua, Ohio, but when the kids laugh at him, he becomes eviler and more smart, and shrinks t  Prof. Pipp djfjfjfjfjjjjP 

Mr. Fyde Quits

One day at Jerome Horwitz Elementary School, the school is going on a field trip to a restaurant to eat pizza and play video games, but when George and Harold change the sign, Mr. Krupp catches them, and bans them from the field trip and forces them to clean the Teacher's Lounge. But George and Harold get revenge on Mr. Krupp and all the other teachers by changing the route of the sprayer, and putting powdered paste on the ceiling fan, and putting Styrofoam in the refrigerator. The teachers get sprayed by the sink, and the paste sticks to them, and the Styrofoam sticks to the teachers, and they get steamed up with George and Harold and chase them in the school. After seeing the teachers running through the school resembling snowmen, the school's science teacher Mr. Fyde quits his job to retire, thinking he's going insane. Meanwhile, Professor Poopypants has had no success showing his inventions to the world, and sees an ad in the newspaper to teach at Jerome Horwitz. He applies for the job, thinking that children would be kind and sweet-hearted, but the children are no different than anyone else and are too distracted by his silly name to focus.

New Science Teacher

Professor Poopypants manages to get the children interested in science by building a Robot Machine that allows gerbils to jog alongside their masters. However, this interest is short-lived, as he reveals his middle name to be Pee-Pee, causing the children to start laughing again. Ms. Ribble reads the story of The Pied Piper from Hamelin. This inspires George and Harold to make a comic book about the Professor inventing an army of gerbiljoggers to destroy the world, which destroys the last of Professor Poopypants' credibility with the students and drives him crazy.

Name Change-O-Chart

Using his enlarging machine, he makes the gerbil machine as large as a tall building and then gets inside. He shrinks the school and holds them hostage. He then unveils his plan to force everyone in the world to change their names so everyone will have a silly name instead of a normal one, and anyone who refuses will be shrunk. Professor Poopypants does this first on Mr. Krupp, who becomes Lumpy Pottybiscuits. All the children find this funny, until Professor Poopypants forces them to use the chart to change their names as well. (celebrities such as Oprah Winfrey, Zsa-Zsa Gabor and Englebert Humperdinck are referenced in the Name Change-O-Chart.

New Names

George and Harold (now Fluffy and Cheeseball) get Captain Underpants (now Buttercup Chickenfanny, but Captain Underpants doesn't change his name and says he's taking orders from no one) to steal Professor Poopypants' enlarging machine, but unfortunately he and the machine are shrunk in the process.

The two of them try to enlarge the school back to normal size, but get flicked off the school. Cheeseball makes a paper airplane that Fluffy enlarges. The plane flies into many threats, yet Captain Underpants rescues them and they end up in an abandoned alley. Fluffy tries to enlarge Captain Underpants (accidentally enlarging Cheeseball's right hand) to the size of Professor Poopypants' gerbil machine. Captain Underpants then fights and defeats Professor Poopypants. Once Professor Poopypants is defeated, everyone gets their names back. The boys use the shrinking and enlarging machines to get the school and Captain Underpants back to normal size. Then Captain Underpants gets soaked with water, turning him back to Mr. Krupp.

<p style="margin-top:0.5em;margin-bottom:0.5em;line-height:22.399999618530273px;color:rgb(37,37,37);font-family:sans-serif;">Professor Poopypants is hauled off to jail. On the advice of George and Harold, he changes his name so no one will make fun of it anymore. Unfortunately, all names originating in the land where he comes from are silly, so when he chooses his maternal grandfather's name, Tippy Tinkletrousers, the people at jail make fun of him, setting the climax for book 9. Moral

<p style="margin-top:0.5em;margin-bottom:0.5em;line-height:22.399999618530273px;color:rgb(37,37,37);font-family:sans-serif;">The moral of the story ("I think this is the first time one of our stories had a moral," notes George) is that it's not nice to make fun of people.

<span style="color:black;font-family:LinuxLibertine,Georgia,Times,serif;font-size:20px;line-height:1.3;">Comic: Captain Underpants and the Pied Pooper of Piqua
<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">The comic begins with an introduction by Professor Poopypants. Everyone laughs at his ridiculous name causing Pippy to make an army of Gerbil Jogger 2000s and inserted <span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">  gerbils<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">, but they refuse to be evil, so he makes them listen to something on headphones. The Gerbils take all the kids hostage but Captain Underpants intervenes. When everyone still laughs at him Pippy uses a button on his tie to make himself into a giant robot. Captain Underpants and Pippy P. Poopypants fight and Pippy catches him. But Underpants uses a tiny toilet (called "The Tiny Toilet of Truth") to flush the water over Pippy, making him rust. The headphones are revealed to be playing <span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">  Cher<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">. Captain Underpants destroys the headphones, and takes Poopypants to jail. The back of the comic reads: "Notice: All animal cruelty was simulated. No actual gerbils were forced to listen to Cher."

Incidents
<p style="margin-top:0.5em;line-height:22.399999618530273px;color:rgb(37,37,37);font-family:sans-serif;">The book was removed from an elementary school in Page, North Dakota due to parental complaints.

<p style="margin-top:0.5em;line-height:22.399999618530273px;color:rgb(37,37,37);font-family:sans-serif;">

<p style="margin-top:0.5em;line-height:22.399999618530273px;color:rgb(37,37,37);font-family:sans-serif;"> ==<span class="cite-accessibility-label" style="color:rgb(11,0,128);top:-99999px;clip:rect(1px1px1px1px);overflow:hidden;-webkit-user-select:none;position:absolute!important;height:1px!important;width:1px!important;display:inline!important;background:none;">Jump up ==