Crossovers

Henson/Muppet productions

 * Ernie and Bert appeared in Episode 102 of The Muppet Show. Bert danced with guest star Connie Stevens.


 * Big Bird made a guest appearance in Episode 318 of The Muppet Show, performing a song with guest star Leslie Uggams and fending off the romantic advances of Gonzo.


 * Numerous Sesame Street characters appeared in Episode 518 of The Muppet Show.


 * Big Bird has a cameo in The Muppet Movie; also, several dozens of characters appear in the film's closing shot.


 * Oscar the Grouch makes "a very brief cameo" in The Great Muppet Caper.


 * Several Sesame Street characters and Uncle Traveling Matt at the wedding in The Muppets Take Manhattan.


 * Many Sesame Street characters, Sprocket, and Uncle Traveling Matt in The Muppets: A Celebration of 30 Years.


 * Several Sesame Street and Fraggle Rock characters in A Muppet Family Christmas.


 * Several Sesame Street and Fraggle Rock characters sing "Just One Person" in The Muppets Celebrate Jim Henson.


 * Elmo guest-starred in an episode of the Henson series Big Bag.


 * Sprocket and many obscure characters from Fraggle Rock make cameos in The Muppet Christmas Carol.


 * Sprocket and many obscure characters from Fraggle Rock appear in Muppet Treasure Island.


 * Sprocket appeared in the pet center in Walt Disney World in The Muppets at Walt Disney World.


 * Several obscure characters from Fraggle Rock make cameo appearances in Muppets Tonight.


 * Sam the Eagle guest starred on an episode of The Animal Show with Stinky and Jake.


 * Sesame and Muppet characters together in I Love Liberty.


 * Sesame and Muppet characters together in Night of 100 Stars.

Non-Henson/Muppet productions

 * Big Bird, Bert and Ernie appeared in an episode of the PBS series Between the Lions.


 * Big Bird visited Mister Rogers' Neighborhood.


 * Fred Rogers dropped in on an episode of Sesame Street.


 * The cast of Sesame Street and the cast of The Electric Company in the TV special Out to Lunch.