Sesame Street
Mumford Makes the Letter "S" Disappear
TV Flash files “Mumford Makes the Letter "S" Disappear” as hour 3971 of 4662 in the TV Flash guide — Sesame Street (1969–) on NET/PBS, season 32, episode 57, aired 2001-03-20, 60 min.
From the desk
How this hour is filed
This leaf is S32E57: listed hour 3971 of 4662 in the Sesame Street guide, hour 57 of 65 in season 32. It aired 2001-03-20 (60 min). The listed hour before it is “Stinky Wants to Be Big” (S32E56). Next is “Big Bird and Snuffy Act Out a Confused Version of "Little Red Riding Hood"” (S32E58). Broadcast log — titles and dates, not a plot bible.

Viewer FAQ
Where does Mumford Makes the Letter "S" Disappear sit in the Sesame Street guide?
S32E57 is listed hour 3971 of 4662 — hour 57 of 65 in season 32, season 32 episode 57.
When did Sesame Street S32E57 air?
Mumford Makes the Letter "S" Disappear aired 2001-03-20 and is listed at 60 minutes.
Where should I start?
Any classic street-and-Muppets hour shows the mix: live-action block, animation, Henson characters, letters and numbers with jokes. Early NET/PBS seasons are the civil-rights-era assignment; later years add franchise familiar faces.
In the series
Why this series still plays
Sesame Street mixed Muppets, street scenes, and research-backed teaching into a 1969 public-TV project that treated kids as smart and cities as home. Joan Ganz Cooney and Lloyd Morrisett's Workshop put Big Bird, Oscar, Bert, and Ernie into daylight with jokes attached to letters. Still the template for how television can teach without condescending.
November 10, 1969, is a public-TV drop that treated kids as smart and cities as home. Joan Ganz Cooney and Lloyd Morrisett's Children's Television Workshop mixed Muppets, street scenes, and research-backed teaching into *Sesame Street* on NET, then PBS. Letters and numbers arrived with jokes; diversity was built into the block. Jim Henson and Frank Oz performed the Muppets. Carroll Spinney became Big Bird and Oscar. **Fifty-six seasons and 4,662 episodes** later, the street still has not closed. Rex can keep the…
Filed against
- Jim Henson as Muppet Performer / Creator
Jim Henson’s Muppet performing and creating made Sesame Street a 1960s catalog wager that kids were smart, then The Muppet Show a frog under stress with A-list guests. TV Flash files him as the man who built a street and a theater out of…
- Frank Oz as Muppet Performer
Frank Oz’s Muppet performing made Sesame Street a daylight argument that kids were smart — 1960s catalog letters with jokes, then The Muppet Show stretching the felt into Piggy-adjacent vaudeville chaos. TV Flash files him as the right…
- Carroll Spinney as Big Bird / Oscar the Grouch
Carroll Spinney played Big Bird and Oscar the Grouch on Sesame Street — Muppets, street scenes, research-backed teaching that treated kids as smart and cities as home. Joan Ganz Cooney and Lloyd Morrisett's 1969 public-TV project, jokes…