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Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers book cover

Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers

by Dav Pilkey

Scholastic UK 2014

★★★★★

Great fit for 5th grade

Reading level and content both target 4th–8th grade · ages 9–14

5th grade English Juvenile Fiction
216
Pages
2
AR Points
1.4h
Read time
AR Quiz Available

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Genre

Humor

Themes

  • friendship
  • time travel
  • imagination and creativity
  • good vs. evil
  • consequences of choices
  • teamwork
  • perseverance
  • humor and pranks

About this book

George and Harold are dealing with the chaos caused by Tippy Tinkletrousers’ time-travel shenanigans—so wild that Captain Underpants might never have been created at all! This fast, funny adventure mashes up comics, flip-o-ramas, and zany sci‑fi twists as the boys try to set things right. Perfect for fans of silly humor and high-energy storytelling, it keeps pages turning for reluctant and avid readers alike. Expect laughs, cliffhangers, and loads of cartoon action without giving away the big surprises.

Setting: present-day Piqua, Ohio, and various eras via time travel

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Frequently Asked Questions

Is Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers right for my child?

Yes — Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers is a great fit for 5th grade. The reading level is AR 5.2, which is typical for 5th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include friendship, time travel, imagination and creativity.

How long does it take to read Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers?

At a typical 5th grade reading pace, Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers takes around 1.4h to finish. The book has 13,500 words. Slower or faster readers may vary significantly.

Does Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers have an AR quiz?

Yes — Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers has an AR quiz available, worth 2 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.

What grade level is Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers?

Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers has an AR reading level of 5.2, which places it at a 5th grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.