Hair is a musical written in the 1960s during the anti-war movement. Premiering off-Broadway in 1967, the musical made its Broadway debut in 1968 at the Biltmore Theatre, resulting in much controversy over its profanity, depiction of illegal drug use, and nudity.
- The Muppet Show episode 316 features the song "Aquarius" from the musical. In parody, a group of Whatnots appear throughout the number with lengths of hair that grow as they reach the end of the song.
- Bob sings "Good Morning Starshine" in the third episode of Sesame Street.
- Smiling Jim Sepulveda and His Tapdancing Toupées sing a snippet of Hair at The Muppets Take the Bowl before being cut short by Beauregard and his scissors.
- In Sesame Street Episode 4128, Zoe becomes obsessed with having a head of hair. As such, she imagines herself in a music video with Gabi, Miles, Elmo and a bottle of shampoo. The throwback to the 60s and the emphasis on hair is a reference to the musical, as they sing "Take Care of Your Hair."
- In Episode 3569, the Grand High Triangle Lover sings a parody, "Let the Triangles In".
- Sesame Street Dinner Theatre spoofs Hair as "Pear" in Season 38.
- The song "Telly's Aquarium" parodies the song "Aquarius".
- The Woodland Valley movie theatre is playing "Hare" in the Bear in the Big Blue House episode "Rockin' Rocko."
- The Elmo the Musical segment, "Mountain Climber the Musical," parodies the title song with a song called "Square" by Sheepa the Sherpa.
- John Barrowman appeared in a London West End revival.
- Nell Carter played a featured singer in the 1979 film
- Tim Curry appeared in the original London West End production.
- Harvey Fierstein appeared in the one night Broadway Benefit concert.
- Louise Gold appeared in the 1974 UK National Touring production.
- Jennifer Hudson appeared in the one night Broadway Benefit concert.
- Michael Jeter played Sheldon in the 1979 film.
- Michael McKean appeared in the one night Broadway Benefit concert.
- Kim Milford was a replacement for Woof and later Claude during the original Broadway run.
- Charlotte Rae played the lady in pink in the 1979 film version
- Alaina Reed played Dionne in the 1977 Broadway revival.
- Sheri Sanders played a member of the Tribe in the City Center Encores! production.
- John Tartaglia appeared in the one night Broadway Benefit concert.
- Ben Vereen was an understudy for Hud during the original Broadway run.
- Lillias White appeared in the one night Broadway Benefit concert.
- Hattie Winston played Dionne and a member of the Tribe during the original Broadway run.