The following is a list of debut (and first known) appearances of Sesame Street characters.

Season 1 (1969-1970)

  • Granny Bird — First appears in Episode 0030 as the Big Bird puppet with a flowered hat, shawl, glasses and purse. Converses with Big Bird off screen.
  • Grover — A prototype for Grover appeared as part of Jim Henson's Muppet act in early variety show appearances in the 1960s. The character gained the name Grover in Episode 0125, and his appearance and mannerisms would be refined by the second season (see: Grover#Origins).

Season 2 (1970-1971)

Season 3 (1971-1972)

Season 4 (1972-1973)

Season 5 (1973-1974)

  • Biff and SullySongs From the Street refers to this season as their first appearance.

Season 6 (1974-1975)

Season 7 (1975-1976)

Season 8 (1976-1977)

Season 9 (1977-1978)

Season 10 (1978-1979)

Season 11 (1979-1980)

Season 12 (1980-1981)

  • Warren Wolf — A season 12 press kit refers to him as debuting this year.
  • Honkers — A season 12 press kit refers to this as the debut season for the Honkers.
  • Poco Loco — A season 12 press kit refers to this as his debut season, although he was on the show since at least 1974.

Season 13 (1981-1982)

Season 16 (1984-1985)

Season 17 (1985-1986)

Season 18 (1986-1987)

Season 19 (1987-1988)

Season 20 (1988-1989)

Season 21 (1989-1990)

Season 22 (1990-1991)

Season 23 (1991-1992)

Season 24 (1992-1993)

Season 25 (1993-1994)

Season 29 (1997-1998)

Season 30 (1998-1999)

Season 31 (2000)

Season 32 (2001)

Season 34 (2003)

Season 36 (2005)

Season 37 (2006)

Season 38 (2007)

Season 39 (2008)

Season 41 (2010)

Season 44 (2013-2014)

Season 46 (2016)

Season 47 (2017)

See also