CBeebies/Dr. Seuss

Cast

 * Roley (from Bob the Builder) as Little Cat Fleep
 * Tubb (from Rubbadubbers) as The White-Tufted Floozle Bird
 * Dizzy (from Bob the Builder) as Alvin the Alien
 * Small (from Big & Small) as Cindy Lou Who
 * Kyan (from Go Jetters) as The Cat in the Hat
 * Mummy Pig (from Peppa Pig) as Sarah Hall-Small
 * Big (from Big & Small) as The Lorax
 * Duggee (from Hey Duggee) as Pam-I-Am
 * Archie the Crocodile (from The Koala Brothers) as Sam-I-Am
 * Tweak (from The Octonauts) as Jane Kangaroo