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My Journey with Captain Underpants

As a lifelong book lover and content strategist, I’ve explored countless genres, from classic literature to modern fantasy. But few book series have captured the imagination of young readers quite like Captain Underpants by Dav Pilkey. This wildly popular series, packed with humor, adventure, and creativity, has become a staple for children worldwide. If you're wondering how many Captain Underpants books exist, you're in the right place.

The Main Captain Underpants Series

The core Captain Underpants series consists of 12 books, each following the hilarious escapades of George Beard and Harold Hutchins, two mischievous kids who accidentally create the greatest (and most ridiculous) superhero ever—Captain Underpants!

Here is the full list of the main books in order:

1. The Adventures of Captain Underpants (1997)
2. Captain Underpants and the Attack of the Talking Toilets (1999)
3. Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (1999)
4. Captain Underpants and the Perilous Plot of Professor Poopypants (2000)
5. Captain Underpants and the Wrath of the Wicked Wedgie Woman (2001)
6. Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 (2003)
7. Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2 (2003)
8. Captain Underpants and the Preposterous Plight of the Purple Potty People (2006)
9. Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (2012)
10. Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (2013)
11. Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 (2014)
12. Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot (2015)

Spin-offs and Related Books

The Captain Underpants universe doesn’t stop at the main series. Dav Pilkey has expanded the world with several spin-offs and bonus content:

• The Adventures of Ook and Gluk, Kung-Fu Cavemen from the Future (2010) – A side story set in the Captain Underpants universe.

• Super Diaper Baby Series (2 books) – Follows the adventures of a baby superhero, created by George and Harold.
• Dog Man Series (2016–present) – While not directly related, this series was created in the same spirit by Dav Pilkey and has become a massive hit among younger readers.

Special Editions and Extra Content

In addition to the core books, Pilkey has released:

• The Captain Underpants Extra-Crunchy Book o' Fun series (activity books filled with puzzles, games, and comics)

• Full-color editions of the original books for a more immersive reading experience

• The Captain Underpants Movie and TV Show adaptations that brought the hero to the screen

A Legacy of Laughter

With 12 main books, multiple spin-offs, and bonus content, Captain Underpants has cemented itself as one of the most beloved children’s book series of all time. Whether you're a new reader or revisiting the series for nostalgia, there’s plenty of hilarious adventure waiting for you. 

If you haven’t yet dived into the world of Captain Underpants, now might be the perfect time to flip-o-rama your way into the action!