Abby Cadabby, one of Elmo's best friends, is a 4-year-old fairy ... Sesame Street, where she speaks both Spanish and English, teaching Elmo and his friends about the language and culture. Oscar ...

Here's how the most popular "Sesame Street" muppets have transformed over the years. Oscar the Grouch has seen major changes, from fur color to limbs. Oscar the Grouch is probably the Muppet who ...

As a kid, you likely spent a lot of time learning your ABCs from characters like Cookie Monster, Big Bird, Elmo, and Oscar the Grouch. "Sesame Street" has been on the air since 1969, and has ...