• Captain Hook (from Jake and the Never Land Pirates) as Oscar the Grouch
  • Red Jessica (from Jake and the Never Land Pirates) as Grundgetta
  • Swiper (from Dora the Explorer), The Grinch (from The Wubbulous World of Dr. Seuss), Sheldon J. Plankton (from SpongeBob SquarePants), Janja (from The Lion Guard), Diesel (from Thomas and Friends), Vendetta (from Making Fiends), Uncle Deadly (from The Muppets), Cedric the Sorcerer (from Sofia the First), Mr. Burns (from The Simpsons), Dr. Doofenshmirtz (from Phineas and Ferb), Princess Ivy (from Sofia the First), Zach Varmitech (from Wild Kratts), Princess Luna (from My Little Pony: Friendship is Magic), Miss Nettle (from Sofia the First), King Sombra (from My Little Pony: Friendship is Magic), Discord (from My Little Pony: Friendship is Magic), Shere Khan (from The Jungle Book), Sid Phillips (from Toy Story), Nasty Jack (from The New Adventures of Winnie the Pooh), Yosemite Sam (from Looney Tunes), Scar (from The Lion King), Randall Boggs (from Monsters, Inc.), Gloomius Maximus (from Rolie Polie Olie), Screwy (from Rolie Polie Olie), Mr. Rude (from Mr. Men), Mr. Stubborn (from Mr. Men), Pete (from Mickey Mouse Clubhouse), Fuzzy Lumpkins (from The Powerpuff Girls), Diesel 10 (from Thomas and Friends), Mandark (from Dexter's Laboratory), Mojo Jojo (from The Powerpuff Girls), Jafar (from Aladdin), Gaston (from Beauty and the Beast), Robbie Rotten (from LazyTown), Hopper (from Toy Story) and Too-Tall (from The Berenstain Bears) as The Grouch Choir
  • Richard (from Peg + Cat) as Elmo
  • Dongwa Miao (from Sagwa, the Chinese Siamese Cat) as Telly Monster
  • Sofia (from Sofia the First) as Rosita
  • Beaker (from The Muppets) as Honker
  • Max (from Max and Ruby) as Benny Rabbit
  • Olie Polie (from Rolie Polie Olie) as Grover
  • Bear (from Bear in the Big Blue House) as Cookie Monster
  • Bonita Flamingo (from The Noddy Shop) as Zoe
  • Marvin (from Marvin the Tap-Dancing Horse) as Horse
  • Camilla (from The Muppets) and Boo-Boo Chicken (from Mickey Mouse Clubhouse) as Chickens
  • Yip and Yap (from Mike the Knight) as Dogs
  • Shaun the Sheep (from Shaun the Sheep), Lambie (from Doc McStuffins) and ???? as Sheep
  • Pingu (from Pingu) as Penguin
  • Cat (from Peg + Cat) as Chip


Captain Hook: Oh there are days, when skies are grey
And everything goes wrong
When I start yelling, "Go away!"
And people say, "So long!"
When everything's in disarray
I'm right where I belong
When fun's away on holiday
This grouch must sing this song

I'm sad, because I'm happy
And I'm happy, 'cause I'm mad
And I'm mad, 'cause it sounds sappy
To be happy when you're sad

Yes there are days when skies are grey
And all the world looks yucky
When clouds and rain won't go away
And the road I'm on turns mucky
My feet splash in the mud, and hey,
My toes get wet and gucky
Yes everything just goes my way
I feel so gosh-darn lucky!

(Red Jessica, SwiperThe GrinchSheldon J. PlanktonJanjaDieselVendettaUncle Deadly, Cedric the Sorcerer, Mr. Burns, Dr. Doofenshmirtz, Princess Ivy, Zach Varmitech, Princess Luna, Miss Nettle, King Sombra, DiscordShere KhanSid PhillipsNasty Jack, Yosemite Sam, Scar, Randall Boggs, Gloomius Maximus, Screwy, Mr. Rude, Mr. Stubborn, Pete, Fuzzy Lumpkins, Diesel 10, Mandrake, Mojo Jojo, Jafar, Gaston, Robbie Rotten, Hopper and Too-Tall joins in)

I'm sad (he's sad), because I'm happy ('cause he's happy)
And I'm happy (and he's happy), 'cause I'm mad ('cause I'm mad)
And I'm mad (he's mad), 'cause it sounds sappy
To be happy when you're sad

Everyone: Oooh, oooh, oooh, oooh.

Captain Hook: Everybody sing!

(sung in grand style)

I'm sad (he's sad), because I'm happy (he's happy)
And I'm happy (he's happy), 'cause I'm mad (he's mad)
And I'm mad (he's mad), 'cause it sounds sappy
To be happy when you're sad

(spoken, with music still playing)

Captain Hook: Hey! Ah, I wish every day was like this!

Red Jessica: Ah, me too, Hooky!

Captain Hook: Well, if wishes were garbage trucks, grouches would ride.

Red Jessica: So true, so true!

Captain Hook: Let's just enjoy the moment. Yeah.

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