Sea it in theaters March 20, 2026! The Pout-Pout Fish is a glum, gloomy swimmer who doesn't quite fit in . . . But maybe he hasn't gone on the right adventure yet! Swim along with Mr. Fish as he discovers new places and meets new friends. Turns out being pouty isn't really his destiny. It's much easier to find the courage to be yourself with friends by your side. The movie tie-in edition of the New York Times bestselling, blockbuster sensation The Pout-Pout Fish by Deborah Diesen and Dan Hanna features new characters and many fin-tastic surprises.