Crossovers

The Muppets were created by Jim Henson and his team of creatives over the course of several decades. As such, many characters belong to their own group based on the project they were developed for, sometimes expressed as a franchise or "universe" of stories. However, due to their origins, and despite changes in ownership over the years, the various collectives of Muppets have often been portrayed as members of a larger family. This page serves to document instances in which those worlds have crossed paths.
One Muppet has crossed over more than any other character: Kermit the Frog. For extensive coverage of his presence on Sesame Street, see Kermit the Frog on Sesame Street. Likewise, in instances of established and background Muppets used in the early days of Sesame Street, see Pre-existing Muppets on Sesame Street.
This page does not include examples of museum exhibits where propped puppets appear in the same room together (with the exception of live ceremonies in association with said exhibit) or instances where verbal mentions crossover with other Muppet projects which are documented in :Category:Inside Jokes. The page also does not include cases of recycled puppets; characters here should be reasonably established rather than examples of when a puppet was reused for ancillary purposes.
==Henson/Muppet productions==
Picture	Date 	Production/Notes
 	1974 	The Muppets Valentine Show
Ernie and Bert make a cameo appearance during the end credit sequence when droves of Muppets keep lining up to say goodbye to Mia Farrow.
 	1975 	The Muppet Show: Sex and Violence
Bert appears in one of the "At the Dance" sequences dancing with a female Ernie lookalike.
 	1977 	The Muppet Show episode 102
After Ernie and Bert do their nose removal routine, Bert suspects they're expected to do an act. Ernie encourages him with the right clothes, prompting Bert to launch into an elegant dance number with Connie Stevens. Convinced he just made a complete fool of himself, Bert asks Ernie to take him home.
 	1979 	The Muppet Show episode 318
Big Bird meets Miss Piggy, performs a song with guest star Leslie Uggams, and fends off the romantic advances of Gonzo.
 	1979 	The Muppet Movie
While singing "Movin' Right Along," Kermit and Fozzie bump into Big Bird walking on the side of the road. They offer him a lift, but Big Bird turns them down, "I'm on my way to New York City to try to break into public television."
 	1979 	The Muppet Movie
Several dozens of characters from Sesame Street, Emmet Otter's Jug-Band Christmas, The Land of Gortch, and others appear singing "Rainbow Connection" during the finale.
 	1980 	The Muppet Show episode 518
When Fozzie Bear commands a cave door to "open sesame," Ernie, Bert, Cookie Monster, The Count, Grover, and two Anything Muppets join the song and dance. After the credits, they all join Statler and Waldorf in their box seats.
 	1981 	Here Come the Puppets!
Sesame Street and Muppet Show characters appear together.
 	1981 	The Great Muppet Caper
Oscar the Grouch makes "a very brief cameo" with Peter Ustinov.
 	1982 	I Love Liberty
Ernie, Bert, and Grover appear as "The Spirit of '76" musicians in The Muppets' sketch about the Second Continental Congress. Big Bird introduces the segment, but does not appear with the other characters.
 	1984 	The Muppets Take Manhattan
Several Sesame Street characters and Uncle Traveling Matt attend the wedding.
 	1984 	People's Choice Awards
With Sesame Street, The Muppet Show, and Fraggle Rock all nominated for the same award, characters from each show sit together at a table in the kitchen.
 	1985 	Night of 100 Stars
Uncle Traveling Matt appears with Sesame Street and Muppet Show characters singing "New York, New York" in a stage bus.
 	1986 	The Muppets comic strip
Oscar appears in the January 5, 1986 strip.
 	1986 	The Muppets: A Celebration of 30 Years
The Muppets, Sesame Street characters, Sprocket, and Uncle Traveling Matt gather to celebrate thirty years of the Muppets.
 	1986 	The Television Academy Hall of Fame, 1986
Sesame Street and Muppet Show characters pay tribute to Burr Tillstrom.
 	1987 	The Television Academy Hall of Fame, 1987
Sesame Street, Fraggle Rock, and Muppet Show characters assemble to induct Jim Henson.
 	1987 	A Muppet Family Christmas
The Muppets and the casts of Sesame Street and Fraggle Rock gather at Ma Bear's country home to celebrate Christmas together.
 	1988 	Free to Be... a Family
A pair of Honkers, Meryl Sheep, and Elmo make brief appearances.
 	1989 	Dog City
A clothed Sprocket and Rowlf the Dog help round out the dog inhabitants of Dog City.
 	1990 	The Muppets at Walt Disney World
Sprocket appears in the pet center at Walt Disney World.
 	1990 	The Muppets Celebrate Jim Henson
Several Sesame Street and Fraggle Rock characters join The Muppets to honor Jim Henson by singing "Just One Person."
 	1992 	The Jim Henson Hour "Secrets of the Muppets"
Sprocket and the StoryTeller's dog feature as members of the Organization of Muppet Dogs. A Doozer also appears to help illustrate remote-controlled Muppets.
 	c. 1997	The Animal Show "Bald Eagle"
Sam the Eagle is the special guest in an episode focusing on bald eagles.
 	c. 1998	Big Bag "Elmo's Visit"
Elmo guest stars as Chelli's pen pal.
 	1999 	Jerry Nelson: A 65th Birthday Celebration
Muppets from The Muppet Show, Sesame Street, Fraggle Rock, The Jim Henson Hour, and The Tale of the Bunny Picnic gather in a recording studio for a privately-distributed tribute to Jerry Nelson on his 65th birthday.
 	2000 	Muppet RaceMania
Flange Doozer is unlockable as a playable character. The Gorgs can be seen through some holes in the Fraggle Rock level.
 	2001 	The Muppet Show Live
Elmo joins the Muppets during the sing-along with Paul Williams.
center 	2008 	Sesamestreet.org
Koko the Penguin from Panwapa joins Abby Cadabby on Wild Animal Day.
 	2012 	Jim Henson's Musical World
Although they did not appear on stage at the same time, the program showcased characters from The Muppet Show, Sesame Street, Fraggle Rock, and Emmet Otter's Jug-band Christmas.
 	2013 	The Jim Henson Exhibition announcement
Miss Piggy, Gobo Fraggle, and Oscar the Grouch appeared separately with NYC mayor Michael Bloomberg on stage in 2013 to announce the opening of the exhibit.
 	2017 	The Jim Henson Exhibition opening
Abby Cadabby, Red Fraggle, and Fozzie Bear appeared together at the opening ceremony.
 	2016 	Puppets for Puppetry
Gonzo, Rowlf the Dog, Red Fraggle, and various Henson Company puppets appeared together to honor Dave Goelz.
 	2018 	The Jim Henson Retrospectacle Live in Concert
Characters from The Muppet Show, Sesame Street, and Fraggle Rock appeared together for a special concert hosted by Bret McKenzie.
 	2024 	"Happy Birthday, Jim Henson!" 
Kermit the Frog, Gobo Fraggle, and Oscar the Grouch appeared in a social media video commemorating Jim Henson's birthday.
==Non-Henson/Muppet productions==
Just as crossovers have taken place within the various Muppet universes, so have the Muppets been inserted into the worlds of other properties that are completely unrelated to any Henson or adjacent properties. Note that this list is not merely appearances in media, but specifically those where Muppets are inserted into another fictional world and/or with other fictional characters. For instances in which outside characters have been seen in Muppet productions, see Fictional celebrities.
Picture	Date 	Production/Notes
 	1972-1975	The Electric Company
Big Bird, Oscar the Grouch, and Grover appear in various episodes.
 	1976 	Daytime Emmy Awards
Big Bird, Northern Calloway, the Dancing Bear from Captain Kangaroo, H.R. Pufnstuf, and Paul the Gorilla from The Electric Company danced together in a performance of "One" (Facebook).
 	1981 	Mister Rogers' Neighborhood
Big Bird visits the Land of Make Believe.
 	1982 	Detroit Institute of Arts
Kermit appears in a performance on stage with Burr Tillstrom's Kukla and Ollie, commenting that the puppet set was historic and felt like a hallowed place to him.
 	1990 	The Cosby Show "Cliff's Nightmare"
Several Muppets appear in the dream sequence including Gonzo and Sweetums, as well as more obscure characters from The Jim Henson Hour and elsewhere.
 	1990 	Cartoon All-Stars to the Rescue
Baby Kermit, Baby Piggy, and Baby Gonzo appear alongside other Saturday morning cartoon characters.
 	1991 	Comic Relief
Uncle Traveling Matt, Red Fraggle, and Sprocket appear representing Fraggle Rock, and Bean Bunny and another rabbit appear from The Tale of the Bunny Picnic, alongside many of England's famous puppets, including characters from Gophers! and Spitting Image.
 	1991 	The Torkelsons
Elmo appears as a manifestation of Mary Sue Torkelson's plush Elmo doll.
 	1998 	Soul Man
Big Bird gets Stan's son a backstage pass to watch him conduct the Boston Pops.
 	1999 	Cosby
Elmo appears in the episode "Superstar."
 	2001 	Between the Lions "Tweet! Tweet!"
Big Bird, Bert, and Ernie appear in the library with the cast.
 	2001 	Between the Lions "Dance with Smartypants"
Bert and Elmo appear as celebrity guests for inserts from the second season.
 	2001 	Kidsnet Awards
Kermit and Lamb Chop appear together at a ceremony honoring Joan Ganz Cooney, Lloyd Morrisett, and the late Jim Henson for their parts in creating Sesame Street.
 	2002 	"We Are Family"
The casts of The Muppets, Sesame Street, and Bear in the Big Blue House appear alongside other children's television characters for the benefit music video. Barney and the cast of Between the Lions appear in the same scenes as Muppet characters, while other franchises also feature in the video.
 	2003 	Pittsburgh Puppet Conference
Grover and Fozzie Bear appeared together in a mock conference with puppet characters Lamb Chop, Mr. Leonard Spencer Shelby, and Art Cat.
 	2004 	The West Wing
Elmo, Big Bird, Zoe, Rosita and a Muppet doctor appear at The White House to film a PSA with First Lady Abby Bartlet (Stockard Channing).
 	2006 	Ready to Learn
Several interstitials for the educational initiative feature PBS Kids characters interacting with the Sesame Street Muppets.
 	2007 	Mr. Magorium's Wonder Emporium
Kermit appears as a shopper at the eponymous store.
 	2007-2015	The Sunny Side Up Show
Several Sesame Street Muppets have met Chica during appearances on the programming block.
 	2009 	Scrubs
Elmo, Grover, Oscar the Grouch, and new Muppet Ex Ray appear in the episode "My ABCs."
center 	2009 	Night at the Museum: Battle of the Smithsonian
Regular Smithsonian puppet exhibit Oscar the Grouch is paired with Darth Vader when the museum comes to life at night.
 	2012 	30 Rock
Kermit the Frog appears at the funeral of Jack's mother in the episode "My Whole Life is Thunder."
 	2011 	So Random
Miss Piggy participates in several sketches as guest star of one episode.
 	2013 	Good Luck Charlie
Kermit, Miss Piggy, Fozzie, Animal, and some chickens appear in Teddy's dream convincing her that the old family home is really the house of her dreams.
 	2023 	Baby Shark
Elmo, Abby Cadabby, and Cookie Monster appear in animated form alongside Baby Shark and William.
==See also==
* International Sesame Street crossovers
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Category:Self-References