Warner Bros. Pictures Animation has dropped the first trailer for The Cat in the Hat, its debut full-length animated feature based on the beloved Dr. Seuss classic — with Bill Hader leading the Cat in the Hat cast as the voice of the mischievous feline.

Plot
This modern reimagining takes the iconic Cat on a high-stakes mission from the I.I.I.I. (that’s the Institute for the Institution of Imagination and Inspiration, LLC). Tasked with cheering up siblings Gabby and Sebastian after a tough move to a new town, the Cat is once again stirring up mischief with his signature blend of chaos and charm. But with the fate of his magical hat hanging in the balance, this time, the stakes are higher than ever. Get ready for a wild, whimsical ride into a world unlike anything you’ve seen before.
Trailer
Get your first look at the animated chaos in the official trailer below.
Meet the Cat in the Hat Cast
The Cat in The Hat cast features an all-star voice lineup and a creative team known for bringing animated stories to life. Here’s who’s behind the magic:
Bill Hader as The Cat – The mischievous feline at the center of it all, bringing chaos and charm to the role. Joining Bill Hader in the Cat in the Hat cast are Xochitl Gomez, Matt Berry, Quinta Brunson, Paula Pell, Tiago Martinez, Giancarlo Esposito, America Ferrera, Bowen Yang, and Tituss Burgess.
Release Date
The new animated film The Cat in the Hat, starring Bill Hader, is set to hit theaters on February 27, 2026.
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