And at the center of it all is a grim Oscar the Grouch, played by Stranger Things’ actor David Harbour. Harbour’s gritty antihero garbage man is intended to be a parody of the new movie Joker ...

Caroll Spinney, the puppeteer who has portrayed Big Bird and Oscar the Grouch on “Sesame Street” since the program’s 1969 premiere, announced Wednesday that he is stepping down from the roles.