Captain Underpants Books in Order
Captain Underpants is a 12-book series by Dav Pilkey for ages 5–12, at a grades 4–6 reading level, with gentle to mild content (HootRated intensity 1–2 out of 5).
- Books
- 12
- In series order
- Content intensity
- Gentle to mild
- HootRated 1–2 out of 5 · avg 1.4
Captain Underpants Reading Order
All 12 Captain Underpants books, numbered in series order.
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | The adventures of Captain Underpants : an epic novel 1997 | Level 4-5 | 9-12 | Gentle |
| 2 | Captain Underpants and the Attack of the Talking Toilets | Level 4-5 | 9-12 | Mild |
| 3 | Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space | Level 4-5 | 9-12 | Mild |
| 4 | Captain Underpants and the Perilous Plot of Professor Poopypants | Level 4-5 | 5-8 | Gentle |
| 5 | Captain Underpants and the Wrath of the Wicked Wedgie Woman | Level 4-5 | 5-8 | Gentle |
| 6 | Big, Bad Battle of the Bionic Booger Boy Part Two the Revenge of the Ridiculous Robo Boogers 2014 | Level 4-5 | 9-12 | Mild |
| 7 | Captain Underpants and the Big Bad Battle of the Bionic Booger Boy Part 2 | Level 4-5 | 5-8 | Gentle |
| 8 | Captain Underpants and the Preposterous Plight of the Purple Potty People Color Edition 2020 | Level 4-5 | 5-8 | Gentle |
| 9 | Captain Underpants and the Terrifying Return of Tippy Tinkletrousers | Level 4-5 | 5-8 | Gentle |
| 10 | Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers | Level 6 | 9-12 | Mild |
| 11 | Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 Color Edition 2021 | Level 4-5 | 9-12 | Mild |
| 12 | Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot | Level 4-5 | 5-8 | Gentle |
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Captain Underpants (12 books by Dav Pilkey) lands at a grades 4–6 reading level, with average content intensity 1.4/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.
The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
All Captain Underpants Books
The adventures of Captain Underpants : an epic novel
Dav Pilkey
The adventures of Captain Underpants : an epic novel
Dav Pilkey
Captain Underpants and the Attack of the Talking Toilets
Dav Pilkey
Captain Underpants and the Attack of the Talking Toilets
Dav Pilkey
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
Dav Pilkey
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
Dav Pilkey
Captain Underpants and the Perilous Plot of Professor Poopypants
Dav Pilkey
Captain Underpants and the Perilous Plot of Professor Poopypants
Dav Pilkey
Captain Underpants and the Wrath of the Wicked Wedgie Woman
Dav Pilkey
Captain Underpants and the Wrath of the Wicked Wedgie Woman
Dav Pilkey
Big, Bad Battle of the Bionic Booger Boy Part Two
Dav Pilkey
Big, Bad Battle of the Bionic Booger Boy Part Two
Dav Pilkey
Captain Underpants and the Big Bad Battle of the Bionic Booger Boy Part 2
Dav Pilkey
Captain Underpants and the Big Bad Battle of the Bionic Booger Boy Part 2
Dav Pilkey
Captain Underpants and the Preposterous Plight of the Purple Potty People
Dav Pilkey
Captain Underpants and the Preposterous Plight of the Purple Potty People
Dav Pilkey
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers
Dav Pilkey
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers
Dav Pilkey
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
Dav Pilkey
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
Dav Pilkey
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
Dav Pilkey
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
Dav Pilkey
Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot
Dav Pilkey
Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot
Dav Pilkey
Series Like Captain Underpants: What to Read Next
Similar reading level, content intensity and themes.
- Cat Kid Comic Club by Dav Pilkey 5 books · Grade 4 · gentle content
- Diary of an 8-Bit Warrior by Cube Cube Kid 7 books · Grades 4–5 · gentle to mild content
- Dog Man by Dav Pilkey 11 books · Grades 2–4 · gentle to moderate content
- My Little Pony: Equestria Girls by Perdita Finn 8 books · Grades 4–5 · gentle content
- Classic Starts by Deanna McFadden 7 books · Grades 3–5 · gentle to moderate content
- The Last Kids on Earth by Max Brallier 5 books · Grade 5 · mild to moderate content
Questions about the Captain Underpants series
- What reading level is the Captain Underpants series?
- Captain Underpants books are at a grades 4–6 reading level (average grade level 4.5), and HootRated recommends the series for ages 5–12. There are 12 books in the series.
- What order should I read the Captain Underpants books?
- Read the Captain Underpants books in series order: Book 1: The adventures of Captain Underpants : an epic novel; Book 2: Captain Underpants and the Attack of the Talking Toilets; Book 3: Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space; Book 4: Captain Underpants and the Perilous Plot of Professor Poopypants; Book 5: Captain Underpants and the Wrath of the Wicked Wedgie Woman; and 7 more.
- What age is the Captain Underpants series appropriate for?
- HootRated recommends Captain Underpants for ages 5–12. Content is gentle to mild (HootRated intensity 1–2 out of 5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.