Children's Television Workshop.

Everyone's invited as Sesame Street celebrates its 25th birthday! The whole family will want to sing along with this special hour-long collection of favorite Sesame Street songs.

Kermit, Oscar, Bert, Ernie and Cookie Monster join Big Bird in a bighearted, cross-country adventure. A meddling social worker sends poor Big Bird off to live with a feathered foster family in Illinois. But try as he might, he doesn't fit in and runs away to return to Sesame Street. Now his old friends need to find him before he runs 'afowl' of trouble en route.

Ernie and his Sesame Street friends show how easy it is to learn to count.

Elmo, Zoe and Telly explore the Alphabet jungle, where letters grows on trees.

Big Bird and his friends present Alphabet Day on Sesame Street, introducing all the letters from A to Z. Children will learn how letters combine to become words and words become stories.

Over 4 1/2 hours of the best Sesame Street memories on 2 jam-packed DVDs Over 50 minutes of ultra-rare, never-before-seen backstage footage, interviews, and surprises. Pop-up facts covering the entire history of the show. Segments from all 40 seasons including more than four hours of beloved scenes from the show. All kids' favorites -- including Big Bird, Bert and Ernie, Elmo, Oscar the Grouch, and Kermit -- are here to join in the fun.

Elmo and Abby find out it can be easy being green when they stumble onto the Earth-a-Thon, hosted by Mr. Earth. And it is all happening right on Sesame Street. Telly, Rosita, and Cookie Monster answer phone calls from children who are giving pledges to reduce, reuse, and recycle. See what happens when Abby uses her magic to help Elmo be really 'green.'

Elmo and his beloved blue blanket are inseparable. When Oscar carelessly tosses the fuzzy blanket into his trash can, Elmo dives in after it. He is suddenly plunged into Grouchland - the land of Grouches, stinky garbage and the greedy Huxley who hasn't learned how to share.

The excitement begins when Big Bird and Barkley the Dog are separated from their tour group while on a trip to Japan. They meet a mysterious Japanese woman who shows them the beauty of Japan and the Japanese people.

Elmo visits the Count's spooky castle where he has a howling good time with his friends as they have fun with jokes, songs and spooky surprises.