Captain Underpants follows fourth-graders George Beard and Harold Hutchins, whose comic book hero comes to life when they hypnotize their principal. The series blends humor with themes of friendship, creativity, and standing up to authority.
This collection highlights quotes that capture the series’ whimsical spirit and character growth across key story arcs.

George and Harold were usually responsible kids. Whenever anything bad happened, George and Harold were usually responsible

Book: The Adventures of Captain Underpants
Speaker: Narrator
Context: Introduces the duo’s mischievous yet paradoxically responsible nature, framing their chaotic adventures.
Tra-la-la! Captain Underpants!

Book: The Adventures of Captain Underpants
Speaker: Captain Underpants
Context: Signature catchphrase showcasing his oblivious heroism and childlike enthusiasm.
Let that be a lesson to you. Never underestimate the power of underwear!

Book: Captain Underpants and the Attack of the Talking Toilets (Chapter 8)
Speaker: Captain Underpants
Context: Highlights the series’ theme of embracing absurdity as strength during a climactic battle.
When toilet paper’s on strike, the butt suffers

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Blends humor with social commentary, emphasizing resilience in absurd crises.
A wise man once said, ‘Never underestimate the power of underwear.’

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Reinforces the series’ core message of finding power in the unexpected.
It’s not enough to just be good. We gotta do good! Even if things get scary!

Book: Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
Speaker: Captain Underpants
Context: Marks his evolution from comic relief to a morally driven hero.
Uh-oh! We gotta roll!

Book: The Adventures of Captain Underpants (Chapter 9)
Speaker: George
Context: Demonstrates quick thinking during peril, reinforcing teamwork as a survival tool.
Stop, in the name of underwear!

Book: The Adventures of Captain Underpants (Chapter 9)
Speaker: Captain Underpants
Context: Combines humor with bravery, symbolizing his unwavering commitment to justice.
Why, I’m Captain Underpants, the world’s greatest superhero. I fight for Truth, Justice, and all that is Pre-Shrunk and Cottony!

Book: The Adventures of Captain Underpants
Speaker: Captain Underpants
Context: Defines his absurd yet endearing heroic identity.
Every hero needs a nemesis. That’s what makes life interesting

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Foreshadows recurring conflicts while celebrating the value of challenges.
Don’t underestimate the power of a wedgie

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Turns a childish prank into a metaphor for subverting authority.
Fear not, I will set you free!

Movie: Captain Underpants: The First Epic Movie
Speaker: Captain Underpants
Context: Illustrates his earnest but comically flawed heroism during a mime “rescue”.
Have you read your UNDERPANTS today?

Book: The Adventures of Captain Underpants
Speaker: Narrator
Context: Meta-humor breaking the fourth wall, engaging readers directly.
You may have even commented on the surprising inappropriateness of such a murderous and bloody scene appearing in a children’s book. It’s fun to feel offended, isn’t it?

Book: Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
Speaker: Narrator
Context: Satirizes censorship debates while defending creative freedom.
It’s YOUR story, kid. You can color it any way you want

Book: Grime and Punishment
Speaker: Narrator
Context: Encourages self-expression, tying to the series’ celebration of imagination.
When toilets attack, it’s no laughing matter… or is it?

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Balances tension with humor, a hallmark of the series’ tone.
In the battle of man vs. toilet, the underpants always win

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Affirms triumph through absurdity, a recurring narrative device.
Sometimes the smallest things can often make the biggest difference

Book: Collaborations
Speaker: Narrator
Context: Subtly underscores the impact of George and Harold’s pranks.
The power of friendship is strong, but the power of a good location for a toilet is stronger

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Juxtaposes camaraderie with slapstick, highlighting thematic duality.
With great underpants comes great responsibility

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Parodies iconic hero tropes while affirming accountability.
Never trust anyone, Daniel, especially the people you admire

Book: Kat Kong
Speaker: Dav Pilkey (meta-reference)
Context: Adds depth through a rare serious moment, contrasting the usual levity.
Laughter is the best medicine, except when you have diarrhea

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Exemplifies the series’ boundary-pushing, irreverent humor.
Toilets may talk, but underpants have the last laugh

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Celebrates resilience and absurdity as tools to overcome adversity.
Rubber doggy doo-doo

Book: The Adventures of Captain Underpants
Speaker: George
Context: Demonstrates creative problem-solving, a cornerstone of the duo’s dynamic.
When the going gets tough, the tough wear underpants

Book: Captain Underpants and the Attack of the Talking Toilets
Speaker: Narrator
Context: Encapsulates the series’ ethos of embracing silliness as strength.