In 28 days it began. In 28 weeks it spread. In 28 years it evolved.

For a 3 1/2-year-old, Elmo sure has sung a lot on "Sesame Street" with some of the best musicians in the world. But it wasn't until Thursday that the friendly red monster made his Grand Ole Opry debut ...

Discover showtimes, read reviews, watch trailers, find streaming options, and see where to watch Sesame Street: Abby in Wonderland (2008). Explore cast details and learn more on Moviefone.