Muppet Wiki

Kermiteye.png Welcome to Muppet Wiki!

Please visit Special:Community to learn how you can contribute.


Muppet Wiki
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"

Mr. Macintosh's fruit stand and Willy's hot dog cart in Episode 1447.

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


This season adds traffic safety messages to the curriculum and also teaches 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 in which Buffy makes regular appearances, though she would occasionally be seen in reused material.


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
The Amazing Mumford, Anything Muppets, Barkley, The Beetles, Bert, Big Bird, Bruce Monster, Bruno the Trashman, Buster the Horse, Clementine, Cookie Monster, Count von Count, Countess Dahling von Dahling, Deena, Dominique, Don Music, Dr. Nobel Price, Elmo, Ernie, Ferlinghetti Donizetti, Fluffy, Forgetful Jones, Gilbert and Sullivan, Grover, Grundgetta, Guy Smiley, Harry, Harvey Monster, Herry Monster, Honkers, Kermit the Frog, Leslie Mostly, The Martians, Masha, Maurice Monster, Mommy Snuffleupagus, Oscar the Grouch, Osvaldo, el Gruñón, Pearl, Poco Loco, Polly Darton, Sherlock Hemlock, Slimey, Mr. Snuffleupagus, The Happy Squares, Telly Monster, Two-Headed Monster, Warren Wolf



Season 12 credit crawl

credit crawl


  1. CTW Newsletter: November 1980, Issue #48

Previous season: Next season:
Season 11 (1979-1980) Season 13 (1981-1982)