How the Grinch Stole Christmas/The Great Discovery

Cast

 * Bart (from The Simpsons) as Thomas
 * Lou Lou Who as Edward
 * Jiminy Cricket (from Pinocchio) as Henry
 * Mayor Augustus May Who as Gordon
 * Drew Lou Who as James
 * Max as Percy
 * Whobris as Toby
 * Lisa (from The Simpsons) as Emily
 * Flik (from A Bug's Life) as Arthur
 * Dim (from A Bug's Life) as Harvey
 * Elmo (from Sesame Street) as Stanley
 * Milhouse (from The Simpsons) as Skarloey
 * Figaro (from Pinocchio) as Rheneas
 * Young Mayor Augustus as Sir Handel
 * Young Whobris as Peter Sam
 * Groundskeeper Willy (from The Simpsons) as Duncan
 * Ned Flanders (from The Simpsons) as Freddie
 * Bert & Ernie (from Sesame Street) as Mighty Mac
 * Martin Prince (from The Simpsons) as Rusty
 * Chip (from The Little Engine That Could) as Jack
 * Eric (from The Little Engine That Could) as Alfie
 * The Big Wolf & The Eagle (from The Little Engine That Could) as Max & Monty
 * Stretch (from The Little Engine That Could) as Oliver (Pack)
 * Rollo the Clown (from The Little Engine That Could) as Ned
 * Perky (from The Little Engine That Could) as Buster
 * Missy (from The Little Engine That Could) as Madge
 * Budgie (from Budgie the Little Helicopter) as Harold
 * Homer (from The Simpsons) as Sir Topham Hatt
 * Marge (from The Simpons) as Lady Hatt
 * Stacy Jones (from Shining Time Station) as Miss Jenny
 * Principal Skinner (from The Simpsons) as Mr. Percival
 * Rod & Todd Flanders (from The Simpsons) as Bill & Ben (do not speak)
 * Betty Lou Who as Molly (does not speak)
 * Clarnella as Mavis (does not speak)
 * The Count (from Sesame Street) as Salty (does not speak)
 * Patty and Selma (from The Simpsons) as Annie & Clarabel (do not speak)
 * Luis (from Sesame Street) as Rocky (does not speak)
 * Cookie Monster (from Sesame Street) as Terence (does not speak)
 * Snuffy (from Sesame Street) as Bertie (does not speak)
 * Handy Pandy (from The Little Engine That Could) as Trevor (does not speak)
 * Jay Jay (from Jay the Jet Plane) as Jeremy (does not speak)
 * Mayor Quimby (from The Simpsons) as The Mayor of Sodor (does not speak)