Dog Man: Big Jim Believes is the 14th book in the wildly popular graphic novel series by Dav Pilkey, creator of Captain Underpants. Published by Scholastic Inc. and released on November 11, 2025, this 224-page hardcover adventure continues the beloved series for readers in grades 2 and up.

In this exciting installment, the mischievous Space Cuties From Space return, and Dog Man (also known as Scarlet Shedder), Commander Cupcake, Sprinkles, and Mecha Molly discover that the city has changed and nothing is as it should be. The story weaves together themes of self-awareness, confidence, and integrity, focusing on the importance of truth, goodness, and believing in yourself.

The book features Pilkey's signature humor and heartfelt storytelling, with inspiring characters and the series' iconic animated Flip-O-Rama sequences that bring the action to life. Each page combines vibrant illustrations with engaging comic-style panels that have made the Dog Man series a favorite among young readers worldwide.