Spongebob/Dexter's Laboratory

SpongeBob as Dexter

Squidward as Tall Dexter

Pearl as Dee Dee

Mr. Krabs as Dexter'S Dad

Mrs. Puff as Dexter'S Mom

Adult Simba (from The Lion King) as Dexters Grandpa

Plankton as Mandark

Mufasa (from The Lion King) as Mr Luzinsky

Sandy as Lee Lee

Sarabi (from The Lion King)

Patrick as Dexter'S Monkey

Philip (from Wallace & Gromit) as Mandarks Duck