Pop Artifact: Vintage Big Bird 'Sesame Street' Radio

Video Find: Big Bird on 'What's My Line?' July 1973

So Long, Bob McGrath

"Oh, I Love the Letter 'F'" - Watch Brett Goldstein on "Sesame Street"

Watch Nina Simone on "Sesame Street," Feb. 18, 1972

Watch Billie Eilish sing with the Count on "Sesame Street"

HBO plans documentary charting the history of "Sesame Street"

Time Capsule: The original "Mah Nà Mah Nà" from "Sesame Street," 1969

Video: "Sesame Street" honors Big Bird/Oscar the Grouch puppeteer Caroll Spinney

"Sesame Street" short films "Little Things"

"Sesame Street" short film "Three is My Favorite Number"

"Sesame Street" short film "Two is You and Me"

"Sesame Street" short film "Giraffes"

"Sesame Street" short film "Fish"

"Sesame Street" short film: "Everybody Eats"

"Sesame Street" short films: "Everybody Sleeps"

Video: Ian McKellan on "Sesame Street"

Today's best picture ever: Ernie and Bert