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Captain Underpants and the Attack of the Talking Toilets is a novel from Dav Pilkey. It is the second installment in the Captain Underpants book series.


Chapter 1: George and Harold[]

Dav Pilkey introduces us to well, TITLE OF THE CHAPTER

He says that Ms. Ribble, Ms. Anthrope, Mr. Meaner, and Benny Krupp say that they are bad but their parents, Crackers, Sulu, Tony, Orlando, Dawn, Heidi, Petey, and Porky (George Beards cats) included, think THEY ARE GOOD.

Chapter 2: Invention Convetion[]

Jerome Horwitz Elementary School is going to hold its second annual Invention Convention. Students George Beard and Harold Hutchins remember how at the last Invention Convention, they pulled a prank on the school that caused everyone to be super-glued to their seats. This year, however, because the winners of the Invention Convention get to be principal for a day, they decide to take it seriously.

Unfortunately, their Principal, Benjamin Krupp wants to avoid a fiasco like last year's and bans George and Harold from the Invention Convention, forcing them to stay in the study hall all day. They decide to secretly sabotage everyone's inventions in revenge after realizing that this isn't fair.

While sneaking in to sabotage the inventions, they run into Melvin Sneedly, the Jerome Horwitz Elementary School brainiac. Melvin is working late on his invention, the PATSY 2000, which is a photocopier that turns two-dimensional objects into three-dimensional objects. To demonstrate, he puts in a photo of a mouse and a real mouse comes out.

George and Harold, however, do not believe that the PATSY 2000 can turn two-dimensional objects into three-dimensional objects. They promise not to sabotage Melvin's invention as long as he promises not to report them for what they are doing. Melvin, looking at his invention, states he promises to keep it a secret.

Thanks to George and Harold, the Invention Convention is a disaster and everyone in the school gets covered in slimy goo from the sabotaged inventions, such as a dog washer shooting black ink at everyone instead of water at the dog, eggs shot from a shooter instead of ping-pongs and a sack of pudding from a volcano detector. The convention is called off and Mr. Krupp thought that he put George and Harold in Study Hall. However, Melvin Sneedly breaks his promise and tattles on George and Harold. As punishment for their pranks, Mr. Krupp puts George and Harold in detention for the rest of the year. From now on they must write a sentence he wrote on every chalkboard in the detention room completely within 2 hours. He also threatens them if any of them leave the detention room for any reason before their 2 hours are up, he'll suspend both of them.

George and Harold quickly finish their detention work thanks to some rods that they created in George's dad's workshop. They then start to write a comic called "Captain Underpants and the Attack of the Talking Toilets" in which the Amazing Captain Underpants defeats millions of vicious talking toilets and their leader, the Turbo Toilet 2000. George suggests making copies of their new comic book for tomorrow, but Harold states they can't do that since Mr. Krupp will suspend them if he finds they had left. George states they'll just have to stay out of his sight.

George and Harold however find out there are teachers in the teachers' lounge, so that means they can't get to the copy machine. George and Harold then remember the invention Melvin made and they decide to use that to make copies of their comic book, because George and Harold still think that Melvin just crammed a mouse in there to fool them.

Unfortunately, the PATSY 2000 really does turn two-dimensional objects into three-dimensional objects, so the evil, vicious talking toilets come to life. George and Harold run out of the gym, but they get caught by Mr. Krupp for leaving the detention room and he declares they are suspended. They try to explain what occurred in the gym, but Mr. Krupp doesn't care or listen since they're suspended. He orders them to get out of the school for good and take their stuff with them. Before George and Harold can leave, the other teachers get the news and decide to notify their parents and throw a party in the gym for having George and Harold suspended. George tries to stop them from opening the door, but they don't listen, due to the fact that George and Harold are suspended. Once Kenny B. Meaner opens the door, one toilet gets out and swallows him. The toilets break out of the gym and attack everyone in the school. Thanks to Tara Ribble snapping her fingers at a toilet, Mr. Krupp turns into Captain Underpants who comes up with a plan to stop the Talking Toilets. George and Harold chase after him as Captain Underpants takes several pairs of underwear from unsuspecting clotheslines. The Boy who sees everything is seen again.

Once they are back at the school, Ms. Ribble is shown running away in terror from the toilets relying on Captain Underpants for help. Right after C.U. claims he won't let them hurt her, a toilet eats her as he stated his word. George, Harold, and Captain Underpants get surrounded quickly, so C.U. tries shooting some underwear at the toilets, but they just eat the underwear and only seem to become hungrier. The gang head to the cafeteria and find cream chipped beef as tomorrow's lunch. They then head outside and use the underwear as a slingshot to shoot the cafeteria food into the Talking Toilets' mouths. Since it is disgusting cafeteria food, the Talking Toilets die (but not before they spit out all of the teachers). Harold says that seemed easy, but George notes that it seemed way too easy to be true. Harold doesn't understand what he means. George shows the comic book they made and points out that everything on the front cover of the comic book was supposed to be brought to life by the PATSY 2000. Although they have seen the Talking Toilets themselves, George says they haven't seen the Turbo Toilet 2000 yet.

The Turbo Toilet 2000 bursts out of the school (He was turned to life like all the other Talking Toilets, but was previously unseen.). He is aware that his toilet army is defeated, but our heroes have no more cafeteria food so they can't use that to stop him. Captain Underpants then battles him instead. After a quick battle, the Turbo Toilet 2000 swallows Captain Underpants whole! With Captain Underpants out of commission, the Turbo Toilet 2000 states his next diabolical plan but George proclaims that they aren't done fighting just yet. George and Harold sneak into the school and locks the doors to prevent the Turbo Toilet 2000 from getting in. The duo then uses Melvin Sneedly's machine to make a super-powered robot who does whatever they say known as The Incredible Robo-Plunger (Originally Harold suggested a giant robot urinal called the Urinator, but George disagreed since the writers will never let them get away with that in a children's book).

The Incredible Robo-Plunger comes to life from the machine and defeats the Turbo Toilet 2000. The duo gets their principal out of the Turbo Toilet 2000 and he asks what happened to the school and the teachers since everything is seemingly destroyed. Harold realizes that Captain Underpants must have gotten hit by the toilet water in the Turbo Toilet 2000 which caused him to become Mr. Krupp again. After George and Harold give his clothes and toupee back so he can dress, Mr. Krupp believes he is ruined as he will be held responsible for the mess and lose his job for that. George says they can repair the school, but they want him to cancel their detention and suspension as well as make them principals of the day. Mr. Krupp agrees to this, but only if they can do all that. After giving the Robo-Plunger the necessary commands, he repairs all the damage and takes all the evidence to Uranus with the command never to return. The teachers all believe the events regarding the attacking toilets were just a dream. In return for fixing the school, George and Harold's detention and suspension are canceled and they get to be principals for the day.

As the principals, they hold an all-day carnival for all the students and put the teachers (and Melvin Sneedly for his tattling) in detention. After telling Mr. Krupp that they sold most of the school's furniture to pay for the carnival, Krupp gets angry and they run away for their lives. But Ms. Anthrope snaps her fingers at the boys to come back, but Krupp comes into his trance causing George and Harold to run after Krupp who is Captain Underpants again! They missed him and saw him out the window fleeing from the school into the city as he sings out his battle cry.




  • Early versions of this book say "Another Epic Novel" instead of "The Second Epic Novel".
  • Some copies of the book have a mistake on the cover where it normally reads “More Flip-o-Rama”, it instead reads “More Action”.
  • We learn that Melvin tells on people for things that are none of his business (tattles).
  • Later, in the fourth and seventh book, we see the Incredible Robo-Plunger and the Talking Toilets on Uranus.
  • In "The Adventures of Super Diaper Baby", Deputy Doo-Doo goes to Uranus as well. Also, in the fifth book the kickball on pages 101 and 102 goes to Uranus as well. And in Super Diaper Baby 2, Rip Van Tinkle is escorted to Uranus. Uranus may be favored because of the crude pun on the planet's homophone "your anus". The Robo-Boogers go there for a short time, too.
  • Mr. Krupp punishes George and Harold by making them fill chalkboards with the sentence "I will never do anything which angers my handsome and charming principal, Mr. Krupp, ever, ever again." George and Harold later get revenge when they are made Principals for a Day, and they punish many teachers (and Melvin for his tattling) to write the following sentences on chalkboards:
    • Ms. Anthrope: I will get a life.
    • Mr. Krupp: I will be very, very, very, very, very, very, very, very nice to "George the Great" and "The Amazing Harold".
    • Mr. Meaner: I will chill out.
    • Ms. Ribble: I will stop being such a crab.
    • Melvin: I will not be a tattle-tale.
  • Melvin also appears in the sixth and seventh books and makes cameos throughout the series.
  • One of the students seen at the Invention Convention is called Madison Mancini; Madison Mancini is Dav Pilkey's niece.
  • Dav Pilkey actually wrote a comic book called "Captain Underpants and the Attack of the Talking Toilets" when he was in the third grade, though his version was different from George and Harold's version. Part of the storyline of how the talking toilets were created in Dav's copy was used for "Hairy Potty and the Underwear of Justice".
  • The teachers claim that since George and Harold are suspended, they don't have to listen to them anymore and that they can no longer come back to the school, but this would not be the case in real life. If George and Harold can't attend the school anymore then they would have to be expelled from the school, not suspended (a suspension is only temporary while an expulsion is permanent). Even someone like Mr. Krupp should already know this. Then again, he didn’t say how long they were suspended for.
  • Donny Shoemeyer's invention is called the Ping-Pong Serve-o-Matic as shown on the label on the machine. However, the sentences in the book call it the Electric Ping-Pong Ball Server.
  • The original draft's ending had George and Harold actually create the Urinator to defeat the Turbo Toilet 2000, however when Dav's girlfriend read the draft, she stated that he won't get away with that in a children's book, so Dav changed the Urinator to the Incredible Robo-Plunger. This reference was used when George and Harold were trying to create something to defeat the Turbo Toilet 2000.
  • On page 63, there is a drawing of the teachers celebrating after they hear that George and Harold have been suspended. In the drawing, there is an arm above Mr. Meaner's head that appears not to belong to anyone.
  • In early copies, page 66 has a misprint, it reads: “‘Why did Ms. Ribble have to snap her fingers?!!?’” cried George. ‘Why?!!?’”. It was later fixed to read: “‘Why did Ms. Ribble have to snap her fingers?!!?’” cried Harold. ‘Why?!!?’”
  • In some copies, page 93 is exactly the same as page 95. This is a page misprint.
  • The Turbo Toilet 2000 is a parody of "Iron Monger".
  • This is the final book to have updated art for the Full Color books.
  • The book with the error has "the second epic novel" saying.


Main Books in Main Series
Captain Underpants
The Adventures of Captain UnderpantsCaptain Underpants and the Attack of the Talking ToiletsCaptain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds)Captain Underpants And The Perilous Plot of Professor PoopypantsCaptain Underpants and the Wrath of the Wicked Wedgie Woman • Captain Underpants and the Big Bad Battle of the Bionic Booger Boy ( Part 1) ( Part 2) • Captain Underpants and the Preposterous Plight of the Purple Potty PeopleCaptain Underpants and the Terrifying Return of Tippy TinkletrousersCaptain Underpants and the Revolting Revenge of the Radioactive Robo-BoxersCaptain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot
Super Diaper Baby
The Adventures of Super Diaper BabySuper Diaper Baby 2: Invasion of the Potty SnatchersSuper Diaper Baby 2½Super Diaper Baby 3: Petey’s Revenge
Ook and Gluk
The Adventures of Ook and Gluk: Kung-Fu Cavemen From the FutureThe Adventures of Ook and Gluk Jr.: Kung-Fu Cavekids in Outer Space
Dog Man
Dog ManDog Man: UnleashedDog Man: A Tale of Two KittiesDog Man and Cat KidDog Man: Lord of the FLEASDog Man: Brawl of the WildDog Man: For Whom the Ball RollsDog Man: Fetch-22Dog Man: Grime and PunishmentDog Man: Mothering HeightsDog Man: Twenty Thousand Fleas Under the SeaDog Man: The Scarlet ShedderDog Man: Big Jim Begins
Cat Kid Comic Club
Cat Kid Comic ClubCat Kid Comic Club: PerspectivesCat Kid Comic Club: On PurposeCat Kid Comic Club: CollaborationsCat Kid Comic Club: Influencers