Everyone/He'll Make Me Happy (from The Muppets Take Manhattan)

Cast

 * SpongeBob SquarePants (from SpongeBob SquarePants) as Kermit the Frog
 * Sandy Cheeks (from SpongeBob SquarePants) as Miss Piggy
 * Maggie Simpson (from The Simpsons), Jack-Jack Parr (from The Incredibles) and Baby Natasha (from Sesame Street) Lead Singer as Babies
 * Granny Fanny Nesselrode (from Sesame Street), Granny (from Looney Tunes) and Suga Mama (from The Proud Family) as Guitarist Old Lady, Pianist Old Lady and Agnes Stonework
 * Whatnaught (from Sofia the First), Skippy (from Bear in the Big Blue House), The Squirrelles (from Sesame Street), Earl the Squirrel (from Jack's Big Music Show) and Tico the Squirrel (from Dora the Explorer) as Pigs
 * SpongeBob's Mom, SpongeBob's Dad and Stanley S. SquarePants (from SpongeBob SquarePants) as Frogs
 * Mickey Mouse (from Mickey Mouse) as Scooter
 * Scooby-Doo (from Scooby-Doo as Rowlf the Dog
 * Yogi Bear (from Yogi Bear) as Fozzie Bear
 * Grover (from Sesame Street) as Gonzo
 * Prairie Dawn (from Sesame Street) as Camilla
 * Brittany (from Alvin and the Chipmunks) as Yolanda Rat
 * Alvin (from Alvin and the Chipmunks) as Rizzo the Rat
 * Big Mouth (from Peg + Cat) as Animal
 * Snoopy (from Peanuts) as Dr. Teeth
 * Garfield (from Garfield) as Zoot
 * Princess Amber (from Sofia the First) as Janice
 * Dale (from Mickey Mouse) as Chester Rat
 * Prince James (from Sofia the First) as Floyd Pepper
 * Simon (from Alvin and the Chipmunks) as Masterson Rat
 * Theodore (from Alvin and the Chipmunks) as Tatooey Rat
 * Kipper the Dog (from Kipper) as Baskerville the Hound
 * Mr. Bump (from Mr. Men) as Beaker
 * Baby Bear, Papa Bear, Mama Bear, Curly Bear (from Sesame Street) and Fozzie Bear (from The Muppets) as Bears
 * Winnie the Pooh (from Winnie the Pooh) as Beauregard
 * Donald Duck (from Mickey Mouse) as Bert
 * Mama Bear (from The Berenstain Bears) as Beth Bear
 * Bob (from Bob the Builder) as Biff
 * Kermit the Frog (from The Muppets) as Big Bird
 * Jake (from Jake and the Never Land Pirates) as Bill
 * Hoots the Owl (from Sesame Street) as Bobby Benson
 * Cubbie the Bear as Bubba
 * Mr. Happy (from Mr. Men) as Bunsen Honeydew
 * Eeyore (from Winnie the Pooh) as Buster the Horse
 * Marge Simpson (from The Simpsons) as Clementine
 * The King of Town (from Homestar Runner) as Cookie Monster
 * Ludwig von Drake (from Mickey Mouse) as Count von Count
 * Harvey Kneeslapper (from Sesame Street) as Crazy Harry
 * Peg (from Peg + Cat) as Deena
 * Beaker (from The Muppets) as Dinger
 * Strong Sad (from Homestar Runner) as Droop
 * Richard (from Peg + Cat) as Elmo
 * Goofy (from Mickey Mouse) as Ernie
 * Martian Mickey, Martian Minnie, Pluto from Pluto and Toodles (from Mickey Mouse Clubhouse) as The Fazoobs
 * Rarity (from My Little Pony: Friendship is Magic) as Female Koozebanian Creature
 * Marvin (from Marvin the Tap-Dancing Horse) as Flower-Eating Monster
 * Weenie (from Oswald) as Foo-Foo
 * Tweety Bird (from Looney Tunes) as Forcryingoutloud Bird
 * Homer Simpson (from The Simpsons) as Forgetful Jones
 * Nermal (from Garfield) as Gaffer
 * Mr. Grumpy (from Mr. Men) as George the Janitor
 * Cubby (from Jake and the Never Land Pirates) as Gil
 * Owl (from Winnie the Pooh) as Gramps
 * Huckleberry Hound (from Yogi Bear) as Grover
 * Princess Luna (from My Little Pony: Friendship is Magic) as Grundgetta
 * Snagglepuss (from Yogi Bear) as Guy Smiley
 * Gonzo (from The Muppets) as Herry Monster
 * Clarabelle Cow (from Mickey Mouse) as Hilda
 * Pablo (from The Backyardigans) as Homer Honker
 * Tyrone (from The Backyardigans) as Sky Blue Honker
 * Uniqua (from The Backyardigans) as Pink Honker
 * Suzy Johnson (from Phineas and Ferb) as Irvine
 * Izzy (from Jake and the Never Land Pirates) as Jill
 * Benny the Bull (from Dora the Explorer) as J.P. Grosse
 * Rocky (from The Rocky and Bullwinkle Show) as Julius Strangepork
 * Tigger (from Winnie the Pooh) as Lew Zealand
 * Bullwinkle (from The Rocky and Bullwinkle Show) as Link Hogthrob
 * Hoots the Owl (from Sesame Street) as Lips
 * Sparkie (from Mike the Knight) as Lothar
 * Pinky the Flamingo (from Beanie Babies) as Lou
 * Brian Griffin (from Family Guy) as Louis Kazagger
 * Bear (from Franklin) as Lubbock Lou
 * Patrick Star (from SpongeBob SquarePants) as Luncheon Counter Monster
 * Mr. Scatterbrain (from Mr. Men) as Mahna Mahna
 * Spike (from My Little Pony: Friendship is Magic) as Male Koozebanian Creature
 * The Cat in the Hat (from The Wubbulous World of Dr. Seuss) as Marvin Suggs
 * Brother Bear (from The Berenstain Bears) as Maurice Monster
 * Little Miss Calamity (from Mr. Men) as Mildred Huxtetter
 * Maggie (from Maggie and the Ferocious Beast) as Mona Monster
 * Mrs. Puff (from SpongeBob SquarePants) as Mrs. Appleby
 * Alvin the Alien (from The Wubbulous World of Dr. Seuss) as The Newsman
 * Sam the Eagle (from The Muppets) as Oscar the Grouch
 * Emily (from Little Bear) as Pearl
 * The Jellybean Team (from Maggie and the Ferocious Beast) as Penguins
 * Mr. Krabs (from SpongeBob SquarePants) as Pops
 * Bruce (from The Mighty Jungle) as Quongo
 * Gary the Snail (from SpongeBob SquarePants) as Robin the Frog
 * Discord (from My Little Pony: Friendship is Magic) as Sam the Eagle
 * Baileywick (from Sofia the First) as Sherlock Hemlock
 * Owl (from Winnie the Pooh) as Simon Soundman
 * Legs the Frog (from Beanie Babies) as Slim Wilson
 * Minnie Mouse and Daisy Duck (from Mickey Mouse) as The Snowths
 * Manny Garcia (from Handy Manny) as Sully
 * Mr. Scatterbrain (from Mr. Men) as The Swedish Chef
 * Hamilton Hocks (from Maggie and the Ferocious Beast) as Telly Monster
 * Olie Polie and Billy Bevel (from Rolie Polie Olie) as Two-Headed Monster
 * Oscar the Grouch (from Sesame Street) as Uncle Deadly
 * Homestar Runner (from Homestar Runner) as Uncle Traveling Matt
 * Little Bird (from Sesame Street) as Whaddayasay Bird
 * Max (from Max and Ruby) as The White Rabbit
 * King Derwin (from The Wubbulous World of Dr. Seuss) as Zeke

Lyrics
Sandy Cheeks: He'll make me happy Each time I see him He'll be the reason My heart can sing He'll stand beside me And I'll have everything

SpongeBob SquarePants: She'll make me happy Each time I hold her And I will follow Where my heart may lead And she'll be all I'll ever need

Maggie Simpson, Jack-Jack Parr and Baby Natasha : Days go passing into years

Granny Fanny Nesselrode, Granny and Suga Mama : Years go passing day by day

SpongeBob's Mom, SpongeBob's Dad and Stanley S. SquarePants : She'll make him happy Now and forever

Squirrels: Until forever Their love will grow

Mickey Mouse, Scooby-Doo , Yogi Bear , Grover , Prairie Dawn , Brittany , Alvin , Big Mouth , Sno opy , Garfield , Princess Amber , Dale , Prince James , Simon and Theodore : She only knows He'll make her happy That's all she ne eds to know

Everyone: They'll be so happy Now and forever Until forever Their love will grow

Sandy Cheeks: I only know He'll make me happy That's all I need...to...know...