CBeebies/Deck the Halls (from A Muppet Family Christmas)

Cast

 * Charlie (from Charlie and Lola) as Big Bird
 * Grandmaster Glitch (from Go Jetters) as Oscar the Grouch
 * Big (from Big & Small) as Ernie
 * Small (from Big & Small) as Bert
 * Zak (from ZingZillas) as Count von Count
 * Bob (from Dinopaws) as Cookie Monster
 * Tommy (from Tommy Zoom) as Grover
 * Tweet (from Ruff-Ruff, Tweet and Dave) as Kathleen the Cow
 * Clifford (from Clifford the Big Red Dog) as Herry Monster
 * Sportacus (from LazyTown) as Guy Smiley
 * Frank the Koala and Buster the Koala (from The Koala Brothers) as Two-Headed Monster
 * Tinky-Winky, Dipsy, Laa-Laa and Po (from Teletubbies) as Honkers
 * Mike (from Mike the Knight) as Sherlock Hemlock
 * Bob (from Bob the Builder) as Biff
 * Farmer Pickles (from Bob the Builder) as Sully
 * Duggee (from Hey Duggee!) as Forgetful Jones
 * Emily Elizabeth (from Clifford the Big Red Dog) as Prairie Dawn
 * Shaun the Sheep (from Shaun the Sheep) as Simon Soundman
 * Happy (from Hey Duggee!) as Fred the Wonder Horse
 * Piggley Winks (from Jakers! The Adventures of Piggley Winks) as Elmo
 * Milo (from Tweenies) as Clancy
 * Spud (from Doc McStuffins) as Old McDougal
 * Robbie Rotten (from LazyTown) as Osvaldo, el Gruñón
 * Captain Barnacles (from The Octonauts) as Big Jeffy
 * Mr. Tod (from Peter Rabbit) as Gary Grouch
 * Ziggy, Trixie, Pixel and Stingy (from LazyTown) as Anything Muppets
 * The Tea-Time Monsters (from The Furchester Hotel) as Monsters

Lyrics
Charlie: Merry Christmas from Sesame Street.

Everyone: Merry Christmas!

Charlie: Deck the halls with boughs of holly

Everyone: Fa la la la la, la la la la

Bob: Tis the season to be jolly

Everyone: Fa la la la la, la la la la

Tommy Zoom: Don we now our gay apparel

Everyone: Fa la la, la la la, la la la

Ruff-Ruff: Troll the ancient Yule tide carol

Everyone: Fa la la la la, la la la la

Small: Okay, Big. You're next.

Big: See the blazing Yule before us

Everyone: Fa la la la la, la la la la

Small: Strike the harp and join the chorus

Everyone: Fa la la la la, la la la la

Grandmaster Glitch: I will not sing this song!

Everyone: Fa la la la la, la la la la

Zak: While I count of Yule tide treasure

Everyone: Fa la la la la, la la la la

Charlie: Your turn, Clifford!

Clifford: Fast away the old year passes

Everyone: Fa la la la la, la la la la

Sportacus: Hail the new, ye lads and lasses

Everyone: Fa la la la la, la la la la

Big and Small : Sing we joyous, all together

Everyone: Fa la la la la, la la la la Deck the halls with boughs of holly Tis the season to be jolly Fa la la la la, Fa la la la la, Fa la la la la, la la la la

Charlie: Oh, that was fun! I love carols.