In the Cat?s Playhouse, Little Cat Z is sick, and Terrence is afraid he?ll catch his cold. It?s up to the Cat and the Little Cats to show him how to stay healthy. In the Wubbulous World, Horton rescues and takes care of Sid Spider, much to the chagrin of Jane Kangeroo, who thinks that bugs are creepy and not friendly. We also meet Dr. Gazeet, who takes care of everyone in the Kingdom of Didd.
In the Cat?s Playhouse, a storm causes the lights to go out, and Terrence is afraid, but the Cat?s help out by inventing in-the-dark games. In the Wubbulous World, Sarah Hall-Small imagines what scary noises coming from her closet might be, and the Grinch gets a taste of his own scary medicine when the folks in Seussville give him a scare.
In the Cat?s Playhouse, everyone pretends to be pirates, and they imagine great adventures. In the Wubbulous World, Sarah imagines that she?s a superhero, and Junior imagines what it would be like to be more special, with a super-long tail and antlers.