Sesame Street
Premiere November 24, 1980 (1446)
Finale May 22, 1981 (1575)
Episodes 130

The Season 12 cast.


Many new Muppets joined the cast of characters this season, including a little red monster named Elmo (previously established in Season 11's Episode 1439).


Itzhak Perlman and Telly Monster play together.


Fred Rogers on Sesame Street


A boy thinks his dog's shadow is an alligator's shadow.

Hello Hello Hello Song

"Hello Hello Hello Song"

Sesame Street Season 12 aired from November 24, 1980 to May 22, 1981.


This season adds traffic safety messages to their curriculum and also teach print symbols that children will encounter in class such as underlining, circling, folding, and crossing out. The show will continue to educate children in pre-reading, counting, and pre-science.[1]


Episodes 1446 - 1575 (130 episodes)


  • Press releases for this season herald the debut of new Muppet characters, although several of the featured Muppets (including Telly Monster, Deena, and a minor monster character named Elmo) had made their first appearances in previous seasons.
  • This is the final season for Buffy.



Linda Bove, Northern Calloway, Emilio Delgado, Will Lee, Loretta Long, Sonia Manzano, Bob McGrath, Roscoe Orman, Alaina Reed, Buffy Sainte-Marie

Jim Henson's Muppets

Caroll Spinney, Frank Oz, Jerry Nelson, Richard Hunt, Brian Muehl, Michael Earl, Karen Prell (Uncredited: Ed Christie, Kevin Clash, Kathryn Mullen, Bryant Young)

Guest Stars

Victor Brady, Cab Calloway, Suzanne Farrell, Holly Near, Itzhak Perlman, Fred Rogers, Dale Soules



Gordon, Susan, Maria, Luis, Linda, Bob, David, Mr. Hooper, Olivia, Buffy, Mr. Macintosh, Willy


Anything Muppets, Barkley, Bert, Big Bird, Bruno the Trashman, Buster the Horse, Clementine, Cookie Monster, Count von Count, Countess Dahling von Dahling, Deena, Dr. Nobel Price, Elmo, Ernie, Ferlinghetti Donizetti, Forgetful Jones, Grover, Grundgetta, Guy Smiley, Honkers, Kermit the Frog, The Martians, Masha, Oscar the Grouch, Osvaldo, el Gruñón, Pearl, Poco Loco, Polly Darton, Mr. Snuffleupagus, Telly Monster, Two-Headed Monster, Warren Wolf


Season 12 credit crawl

Season 12 credit crawl

credit crawl


  1. CTW Newsletter: Nov1980newsletterNovember 1980, Issue #48

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Season 11 (1979-1980) Season 13 (1981-1982)
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