There's a new Muppet on the block named Dani who suffers from Asthma. With the help of Luis, they both teach Elmo and Rosita about childhood Asthma through example and music.

Once upon a time on Sesame Street there lived a fairy in training named Abby Cadabby, and she loved going on all kinds of adventures. She loved playing princess with friends like Rosita, but what happens when a misguided Prince (played by actor Paul Rudd) tries to rescue them? Pretending and the Letter P are the focus of two more stories in this enchanting title that also features fun with Natalie Portman and Elmo in "The Princess and The Elephant."

There are mysteries afoot on Sesame Street! Grab your detective hat and join your furry friends to solve these whodunits! When items beginning with the letter "R" start vanishing, Detective Alfie Betts is on the case with a little help from Elmo and Abby! Who could the culprit be? Then Elmo and Telly investigate what's making things disappear by following clues and testing their hypotheses. Did the wind do it? Dun dun dun!

It's time to get ready for school! Gabi and Miles are graduating from high school, and they share their favorite school memories with Elmo.

Big Bird, Elmo and other Sesame Street favorites sing the show's songs alongside the world-renowned bandleader Wynton Marsalis.

Oscar the Grouch is visited by three ghosts in an attempt to teach him the true meaning of Christmas.

Leslie Uggams hosts this take on A Christmas Carol, where she and fellow guest stars, Anne Murray, Imogene Coca, and Dick Smothers try to get Oscar to stop being such a Grouch on Christmas.

Get ready for a musical Sesame Street Muppet ® extravaganza! Something’s in the air on Sesame Street that makes everyone want to sing! Elmo and Rosita break into song when they have a playdate, but can’t find each other! Won’t "Somebody Come and Play?" The music goes on into the night when Sesame Street stays up late to sing more songs - karaoke style. Kids of all ages can sing and dance along to renditions of such Sesame Street favorites as "ABC-DEF-GHI," "You Say Hola," "Ladybug Picnic," "New Way to Walk," "Let’s Go Driving," and "People in Your Neighborhood." And the beat goes on - even with forgotten lyrics, stage fright and a broken karaoke machine! Featuring special guest performance clips by Gloria Estefan, Destiny’s Child and Ben Stiller!

When Monty stops by Elmo's Exercise Camp to do a report, he ends up joining Elmo, Rosita, and Tarah in the fitness fun.

Jon Stewart hosts the Sesame Street Muppets' 30 year celebration, but Elmo steps in when things go awry.