The Cat in the Hat, Sally, and Nick help the lost reindeer to return to Freeze Your Knees Snowland on time. There they meet an elephant, a dolphin, and a crab, but they found a stuck gerbil inside the Thing-a-ma-jigger.

Sally and Nick both understand about different-shaped feet, pretend to be the Cat in the Hat, make cricket chirps, and search for feathers.

The Cat in the Hat takes Nick and Sally on a summer adventure fun-filled with camping, hiking, and paddling on their way to Fish's family reunion. The Cat's cousins, the Little Cats A, B and C, also join in the fun.

The Cat in the Hat takes Nick and Sally on the craziest Halloween adventure, where they go to the Oooky-ma-kooky Closet to help find Nick and Sally the best Halloween costumes ever.

The Cat in the Hat takes Nick and Sally on a space adventure to assist with Operation Rover Repair.