Books
Dog Man Unleashed: From the Creator of Captain Underpants (Dog Man #2)
Dog Man: From the Creator of Captain Underpants (Dog Man #1)
Dog Man: A Tale of Two Kitties: From the Creator of Captain Underpants (Dog Man #3)
Dog Man and Cat Kid: From the Creator of Captain Underpants (Dog Man #4)
Dog Man: Fetch-22: From the Creator of Captain Underpants (Dog Man #8)
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
Audiobooks
Ricky Ricotta's Mighty Robot
Captain Underpants and the Perilous Plot of Professor Poopypants: Captain Underpants #4
Captain Underpants and the Attack of the Talking Toilets: Captain Underpants #2
The Adventures of Captain Underpants: Captain Underpants, Book 1
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space: Captain Underpants #3
Captain Underpants and the Wrath of the Wicked Wedgie Woman: Captain Underpants, Book 5