Martin and Aviva set out to discover what makes alligators different from crocodiles.
Chris, Martin and Aviva travel back in time about five hundred years to find a real Tasmanian tiger living in the wild.
Elmo and Abby sing about the number two.
Oscar and Slimey talk about the letter 'S'.
An artist paints a turkey on his hand.
Anne Hathaway and Big Bird sing about what they want for Christmas.
Alicia Keys and Elmo sing 'Do You Hear What I Hear?'
Jennifer Hudson sings 'Carol of the Bells' for the holidays.
Kids talk about how they make friends.
Grover teaches the Spanish word of the day, 'escuela', which means 'school'.
Hero Guy makes shapes for Baby Bear.
Abby Cadabby sings about all of the words she loves.
Kids sing about their preschool in this spoof of 'High School Musical'.
Ernie helps Bert use his imagination.
Sheryl Crow and her friends sing about the letter 'I'.
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