Warner Bros. Pictures Animation has released the first trailer for its first full-length movie, The Cat in the Hat, an animated adaptation of the classic Dr. Seuss story, Deadline reported. Starring Bill Hader as the voice of the Cat, the film chronicles "our hero's toughest assignment yet," when the I.I.I.I. (Institute for the Institution of Imagination and Inspiration, LLC) "asks him to cheer up Gabby and Sebastian, a pair of siblings struggling with their move to a new town. Known for taking things too far, this could be this agent of chaos' last chance to prove himself... or lose his magical hat!"
Directed by Alessandro Carloni and Erica Rivinoja, the project has a voice cast that includes Xochitl Gomez, Matt Berry, Quinta Brunson, Paula Pell, Tiago Martinez, Giancarlo Esposito, America Ferrera, Bowen Yang, and Tituss Burgess. The film will be released to theaters and IMAX across North America on February 27, 2026, and internationally beginning February 25.