Additionally, it was announced that Stevie Wonder, who has had several memorable performances on Sesame Street over the years, will serenade viewers with his reimagined version of Sesame Streetsâs classic âSunny Daysâ song. Sesame Streetâs 50th season kicked off November 9, 2019, with a HBO prime-time special. (Credit: Courtesy Everett Collection) 50 Years of Sunny Days looks back on the impact of Sesame Streetâs iconic programming and the impressive efforts of the non-profit organization Sesame Workshop. The special will also uncover never-before-seen footage surrounding the topic of divorce and how it relates to the experience of Mr. Snuffleupagus and his family, and examine the decision to not air the episode, originally produced in 1992.