Sesame Street - Season 20 - Episode 18
An early Elmo meets Bob's deaf friend and learns to say "hello" in sign language. A classic skit of Phil Harmonic and Placido Flamingo live from the Nestropolitan Opera. A vintage animation of Gerald's dog, Sparky, re-imagined as an alligator. The Honkers play "Mary Had a Little Lamb" on their noses.
About Sesame Street

Title: Sesame Street
First Air Date: 1969-11-10
Last Air Date: 2025-09-11
Status: Returning Series
Rating: 7.1/10 (from 270 votes)
Language: EN
Seasons: 57
Total Episodes: 3132
Network: PBS HBO National Educational Television PBS Kids Netflix HBO Max Max HBO Max
Genres: Kids, Comedy
Production Companies: Sesame Workshop, Children's Television Workshop, HBO
Synopsis
On a special inner city street, the inhabitants—human and muppet—teach preschoolers basic educational and social concepts using comedy, cartoons, games, and songs.
Cast

Frank Oz
Bert

Sonia Manzano
Maria Figueroa Rodriguez

Roscoe Orman
Gordon Robinson

Martin P. Robinson
Telly Monster/Aloysius Snuffleupagus/Irvine/Slimey (voice)

Suki Lopez
Nina

Violet Tinnirello
Charlie

Jennifer Barnhart
Zoe (voice)

Ryan Dillon
Elmo (voice)

Alan Muraoka
Alan