Sesame Street
The Treasure of Yucky Mama
TV Flash files “The Treasure of Yucky Mama” as hour 4511 of 4662 in the TV Flash guide — Sesame Street (1969–) on NET/PBS, season 50, episode 29, aired 2020-05-30, 30 min.
From the desk
How this hour is filed
This leaf is S50E29: listed hour 4511 of 4662 in the Sesame Street guide, hour 29 of 35 in season 50. It aired 2020-05-30 (30 min). The listed hour before it is “Searching for Letter Y” (S50E28). Next is “Making the Band” (S50E30). Broadcast log — titles and dates, not a plot bible.

Catalog log
Broadcast listing — not a TV Flash recap.
Yucky Mama's old treasure map is discovered during Oscar's spring dusting. The map shows how Sesame Street used to look 50 years ago. To find the treasure, Oscar, Elmo, Abby, Nina, and Charlie use the map to find their way around Sesame Street, comparing the places that used to be on the Street to the places that are there now, and complete three grouchy challenges.
Viewer FAQ
Where does The Treasure of Yucky Mama sit in the Sesame Street guide?
S50E29 is listed hour 4511 of 4662 — hour 29 of 35 in season 50, season 50 episode 29.
When did Sesame Street S50E29 air?
The Treasure of Yucky Mama aired 2020-05-30 and is listed at 30 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…