The show has been on TV since November 10, 1969. Jim Henson made the Muppets, and a lot of writers and puppeteers worked together to make the show. The Muppets were used afterwards in a different show called "The Muppet Show". "Sesame Street" has been on TV in 120 countries all over the world. More than 4000 episodes have been made over 50 seasons.