Elmo's World is a fifteen-minute-long segment originally shown at the end of the American children's television program, Sesame Street. It premiered on November 16, 1998 on PBS, as part of the show's structural change at the end of each episode until 2009, but was then replaced with a reboot in 2017. The segment first aired during the season 30 premiere of Sesame Street on November 16, 1998 on PBS. The first episode was "Balls". In 2009 for the show's 40th season, it was discontinued. In…