PBS Kids/Sesame Street

Cast

 * Clifford (from Clifford the Big Red Dog) as Big Bird (Both are big and main stars)
 * The Cat in the Hat and Norval the Fish (from The Cat in the Hat Knows A Lot About That!) as Ernie and Bert
 * Arthur (from Arthur) as Kermit the Frog
 * Ernie (from Sesame Street) as Grover
 * Sagwa (from Sagwa) as Rosita
 * Pal (from Arthur) as Barkley
 * Curious George (from Curious George) as Elmo
 * Hacker (from Cyberchase) as Oscar the Grouch
 * Tinky Winky (from Teletubbies) as Cookie Monster
 * Emily Elizabeth (from Clifford the Big Red Dog) as Zoe
 * Barney (from Barney) as Count Von Count
 * Big Bird (from Sesame Street) as Snuffy
 * T-Bone (from Clifford the Big Red Dog) as Telly
 * Ruff Ruffman (from Fetch! with Ruff Ruffman) as Baby Bear
 * Baby Kate (from Arthur) as Baby Natasha
 * D.W. (from Arthur) as Prairie Dawn
 * The Brain and Alpha Pig (from Arthur And Super Why) as Biff and Sulley
 * Digit (from Cyberchase) as Murray Monster
 * Thing 1 and Thing 2 (from The Cat in the Hat Knows A Lot About That) as The Two-Headed Monster
 * Nadine (from Arthur) as Abby Cadabby
 * Mr. Ratburn (from Arthur) as Sherlock Hemlock
 * Barkley (from Sesame Street) as Watson
 * Cleo (from Clifford the Big Red Dog) as Lulu
 * Grover (from Sesame Street) as Guy Smiley
 * David L. Read (from Arthur) as Luis
 * Jane Read (from Arthur) as Maria
 * Papa Bear (from The Berenstain Bears (2003)) as Gordon
 * Mama Bear (from The Berenstain Bears (2003)) as Susan
 * Buster Baxter (from Arthur) as Bob
 * Prunella Deegan (from Arthur) as Linda
 * Francine Frensky (from Arthur) as Olivia
 * Oliver Frensky (from Arthur) as Mr. Hooper
 * Muffy Crosswire (from Arthur) as Roxie Marie
 * Binky Barnes (from Arthur) as Herry Monster
 * Elmo (from Sesame Street) as Merry Monster
 * Theodore (from Between the Lions) as Chicago the Lion
 * Little Chrissy and the Alphabeats (from Sesame Street) as Little Jerry and the Monotones
 * Baby Bop, B.J. and Riff (from Barney) as Little Chrissy and the Alphabeats
 * Tinky Winky, Dipsy, Laa-Laa and Po (from Teletubbies) as The Honkers
 * George Lundgren (from Arthur) as Dinger
 * The Tibble Twins (from Arthur) as Chip and Dip
 * Telly Monster (from Sesame Street) as Chris
 * Sister Bear (from The Berenstain Bears (2003)) as Betty Lou
 * Grandpa Dave (from Arthur) as Mumford
 * James (from Thomas and Friends) as Stinky the Stinkweed
 * Brother Bear (from The Berenstain Bears (2003)) as Maurice Monster
 * Too-Tall (from The Berenstain Bears (2003)) as Harvey Monster
 * Charley (from Clifford the Big Red Dog) as Kingston Livingston III
 * Barnaby B. Busterfield III (from Between the Lions) as Benny Rabbit
 * Fern Walters and Sue Ellen Armstrong (from Arthur) as Humphrey and Ingrid