Season 40, Episode 6 Y a Quest Y Not

First Aired: November 17, 2009

Elmo, Abby and Telly learn about knights and embark on a quest to find words that begin with Y. The journey takes them to Gina's veterinarian office, the Laundromat and Hooper's store, but it's not until they meet a cow called a yak that they find one.

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