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Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers

Age rating, content warnings & parent guide

Dav Pilkey · 2003

Is Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers appropriate for your child? See the reviewed age guidance, content cautions, positive themes, and supporting evidence below.

Explore the age guidance, content cautions, positive qualities, and supporting notes for Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers by Dav Pilkey. This book is content notes include Violence, Frightening scenes, Strong language; positive qualities include Creativity & curiosity, Courage & resilience.

Book 7 · Captain UnderpantsSource checked

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10-second decision

Is this likely to fit your family?

Age guidanceNot listed
Strongest cautionsViolence 3/5 · Frightening scenes 2/5 · Strong language 2/5
Strongest positivesCreativity & curiosity 4/5 · Courage & resilience 3/5
Series positionBook 7 · Captain Underpants
Recommendation3.3/5

Creativity & curiosity; strongest caution: violence.

This is the quick scan. Open the evidence and methodology below for the basis behind each rating.

Quick context

What parents should know

Creativity & curiosity; strongest caution: violence.

Readiness snapshotMain watch-out: Violence 3/5
Recommendation 3.3/5

Editorial rating

How this review was built

Dickens & Rumi editorial
Source checkedPublication method
12Scored categories
12Evidence notes
0Explicit 0/5 checks
Nov 4, 2026Last updated

Dickens & Rumi describes what is present; families decide what matters to them. Community reactions are kept separate from official content ratings.

Review depth12 scored categories12 evidence notes
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At a glance

Recommended ageNot listed

Strongest cautions

  • Violence3/5
  • Frightening scenes2/5
  • Strong language2/5

Strongest positives

  • Creativity & curiosity4/5
  • Courage & resilience3/5
  • Good role models3/5

Reading order

Series progression

All known volumes are shown. Reviewed books include age guidance and cautions; books still being reviewed are clearly marked.

Next volumeBook 8 · Captain Underpants and the Preposterous Plight of the Purple Potty PeopleStrongest cautions: Violence 3/5 · Frightening scenes 2/5Open next review →
  1. Book 1 · The Adventures of Captain UnderpantsAges 10+
    Frightening scenes2/5Violence2/5Products & advertising1/5Sexual content & nudity1/5Strong language1/5
    Starting point
  2. Book 2 · Captain Underpants and the Attack of the Talking Toilets
    Violence3/5Death of a character2/5Frightening scenes2/5Products & advertising1/5Strong language1/5
    Gets more intense
  3. Book 3 · Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
    Frightening scenes3/5Violence3/5Strong language2/5Alcohol or drugs1/5Death of a character1/5Products & advertising1/5
    Gets more intense
  4. Book 4 · Captain Underpants and the Perilous Plot of Professor Poopypants
    Strong language3/5Frightening scenes2/5Violence2/5Products & advertising1/5
    Gets gentler
  5. Book 5 · Captain Underpants and the Wrath of the Wicked Wedgie Woman
    Violence3/5Frightening scenes2/5Romance2/5Alcohol or drugs1/5Products & advertising1/5Strong language1/5
    Gets more intense
  6. Book 6 · Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets
    Strong language2/5Violence2/5Frightening scenes1/5Graphic injury1/5Products & advertising1/5Sexual content & nudity1/5
    Gets gentler
  7. Book 7 · Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers
    Violence3/5Frightening scenes2/5Strong language2/5Graphic injury1/5Products & advertising1/5
    About the same
  8. Book 8 · Captain Underpants and the Preposterous Plight of the Purple Potty People
    Violence3/5Frightening scenes2/5Alcohol or drugs1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  9. Book 9 · Captain Underpants and the Terrifying Return of Tippy Tinkletrousers
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury2/5Strong language2/5Alcohol or drugs1/5Products & advertising1/5Sexual content & nudity1/5
    Gets more intense
  10. Book 10 · Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
    Death of a character4/5Violence4/5Frightening scenes3/5Graphic injury1/5Products & advertising1/5Strong language1/5
    About the same
  11. Book 11 · Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
    Frightening scenes3/5Violence3/5Graphic injury1/5Products & advertising1/5Romance1/5Sexual content & nudity1/5Strong language1/5
    Gets gentler
  12. Book 12 · Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot
    Violence3/5Frightening scenes2/5Products & advertising2/5Alcohol or drugs1/5Death of a character1/5Graphic injury1/5Strong language1/5
    About the same

Keep going

What should you do next?

One review should lead naturally to the next useful choice.

What’s in it?

Products & advertising1/5
Why this rating?

The recognizable series identity may support merchandise, but the story itself is not primarily an advertisement or product-placement vehicle.

Graphic injury1/5
Why this rating?

Gross-out bodily humor and booger imagery are prominent, but realistic blood or graphic injuries are not a focus.

Strong language2/5
Why this rating?

Lots of insults, teasing, name-calling, and silly crude terms, but little or no strong profanity.

Frightening scenes2/5
Why this rating?

Bionic villains, giant booger robots, battles, and peril create mild tension, but the intentionally silly tone keeps it from being very frightening.

Violence3/5
Why this rating?

Frequent cartoon battles, superhero action, explosions, chasing, and slapstick attacks; consequences are exaggerated and rarely realistic.

What’s good in it?

Courage & resilience3/5
Why this rating?

Characters confront dangerous comic villains and keep helping one another, though the bravery is framed through slapstick and reckless antics.

Creativity & curiosity4/5
Why this rating?

Highly imaginative superhero parody, inventive gadgets, comic-book layouts, wordplay, and absurd problem-solving strongly encourage playful creativity.

Diverse representation1/5
Why this rating?

The cast has some varied personalities, but broad representation of human backgrounds, identities, or abilities is not a major focus.

Educational value1/5
Why this rating?

It supports reading motivation, visual literacy, and playful problem-solving, but is not intended to teach factual subject matter.

Kindness & empathy3/5
Why this rating?

Helping friends and cooperating against threats are recurring positives, despite frequent pranks and immature behavior.

Positive messages3/5
Why this rating?

The story emphasizes friendship, teamwork, creativity, and resisting bullying, while presenting selfish or abusive behavior negatively.

Good role models3/5
Why this rating?

The young protagonists are mischievous and imperfect but show loyalty, ingenuity, and willingness to help others.

Family discussion

Talk about it

Conversation starters based on this title’s published content notes.

  1. What was the most imaginative idea in the story, and what would you add to it?
  2. How did the story handle conflict or violence? Did the characters have other choices?
  3. Which choice in Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers would you have made differently, and why?
  4. Who changed the most in Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers, and what caused that change?
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Community perspective — separate from editorial ratings

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These content notes are a starting point, not a guarantee. Review the evidence and use your own judgment before choosing a title.

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