Não. Entre os exemplos mais notáveis, Big Bird, Ernie e Bert, Oscar the Grouch e o blue Beautiful Day Monster ( esse cara ) apareceu em ambas as franquias. Você pode ver uma conta mais detalhada de Wikia depois desse vídeo de Big Bird cantando uma música no Muppet Show:
Several Muppet characters from previous productions, including Beautiful Day Monster, Scudge and Fred's son, appeared during the first season of Sesame Street.
Ernie and Bert make a cameo appearance in the Muppet Show pilot The Muppets Valentine Show, while Bert appears in the pilot The Muppet Show: Sex and Violence.
Ernie and Bert appear in episode 102 of The Muppet Show. Bert danced with guest star Connie Stevens.
Big Bird makes 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 appear in Episode 518 of The Muppet Show.
Big Bird has a cameo appearance in The Muppet Movie; also, several dozens of Sesame Street 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 make a cameo appearance at the wedding in The Muppets Take Manhattan.