Captain Underpants: Book 13. The thirteenth installment in the Captain Underpants series (Captain Underpants and the Devilishly Diabolical Deeds of Doom) is a continuation of the 2015 novel Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot.Click to see full answer. Hereof, why is Captain Underpants a banned book?(Scholastic Inc.) A Michigan elementary school has banned the latest “Captain Underpants” novel from its book fair because one of the main characters is gay, according to a report by WXYZ in Detroit. “Most of the kids come in and they buy books and the parents aren’t part of the selection,” he said.One may also ask, what is the last Captain Underpants book? Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot is the twelfth and (possibly) final book in the Captain Underpants series, written and illustrated by Dav Pilkey. The book continues after the eleventh book, as George, Harold, and their clones switch places, but to find their gym teacher Mr. Subsequently, one may also ask, will there be more Captain Underpants books? Dav Pilkey will continue his bestselling Captain Underpants series with two more books, publisher Scholastic announced Tuesday. The books, for kids ages 7 to 10, will be the 11th and 12th in the series, which has sold more than 70 million books worldwide.Is Captain Underpants 2 coming out?Captain Underpants: The Second Epic Movie was previously scheduled to be released on February 8, 2019, but they had filming delays and had to move the release date later in the year. In November 2018, they changed the release to June 7, 2019.