| Captain Underpants | 背ラベル （1段目は全てRY837） |
ＹＬレベル | ||||
| シリーズ名 | 題名 | 2段目 | 3段目 | レベル | 総語数 | |
| 1 | Captain Underpants | The Adventures of Captain Underpants | CUP | 0001 | 4.5 | 5360 |
| 2 | Captain Underpants and the Attack of the Talking Toilets | CUP | 0002 | 4.3 | 5528 | |
| 3 | Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space ( and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds ) | CUP | 0003 | 4.3 | 6076 | |
| 4 | Captain Underpants and the Perilous Plot of Professor Poopypants | CUP | 0004 | 4.5 | 5225 | |
| 5 | Captain Underpants and the Wrath of the Wicked Wedgie Woman | CUP | 0005 | 4.5 | 7664 | |
| 6 | Captain Underpants and the Big, Bad Bttle of the Bionic Booger Boy Part1 : The Night of the Nasty Nostril Nuggets | CUP | 0006 | 4.5 | 6847 | |
| 7 | Captain Underpants and the Big, Bad Bttle of the Bionic Booger Boy Part2 : The Revenge of the Ridiculous Robo-Boogers | CUP | 0007 | 4.5 | 7721 | |
| 8 | Captain Underpants and the Preposterous Plight of the Purple Potty People | CUP | 0008 | 4.5 | 6766 | |
| 9 | The Adventures of Super Diaper Baby | CUP | 0009 | 3.5 | 2112 | |