CBeebies/SpongeBob SquarePants

Cast

 * Pingu (from Pingu) as Spongebob
 * Tinky Winky (from Teletubbies) as Patrick
 * Harvey P. Dull (from The Furchester Hotel) as Squidward
 * Furgus Fuzz (from The Furchester Hotel) as Mr. Krabs
 * Frank the Koala (from The Koala Brothers) as Mermaidman
 * Buster the Koala (from The Koala Brothers) as Barnacle Boy
 * Sarah (from Sarah & Duck) as Sandy
 * Grandmaster Glitch (from Go Jetters) as Plankton
 * Clifford (from Clifford the Big Red Dog) as Larry
 * Jake (from Tweenies) as Tom
 * Fireman Sam (from Fireman Sam) as Fred
 * Jess (from Postman Pat) as Gary