Sesame Street

Baby Bear and Telly design and build a launcher for Hubert the Human Cannonball.

Elmo and Zoe experiment to find out what sinks and what floats, and they design a boat out of foil.

Elmo and Abby test bubble mixtures and learn a bubble has the colors of the rainbow.

Oscar observes and records for his experiment to find what worms like to squirm on.

Telly, Elmo and Rosita play Shape-O-Bots and transform themselves into shapes to help people.

Rosita helps Gina and Marco learn Spanish words.

Telly makes a special egg carton for Humpty Dumpty to keep him from cracking.

Elmo helps Curly be a big bear by explaining how he said goodbye to his pacifier. Special guest stars Liev Schreiber and Naomi Watts explain what "exchange" means. Brought to you by the letter "T" and the number "3."

Big Bird feels bad about himself after being teased, but Abby reminds him he is special.

Slimey learns that if something is bothering him, he should trust a grown-up to help.

Baby Bear learns that it's okay for both boys and girls to play with dolls.

Elmo and Telly learn how a caterpillar turns into a butterfly through metamorphosis.

Baby Bear learns the importance of sharing with a sibling.

Abby and Elmo investigate who is stealing things that start with the letter "R." Brought to you by the letter "R," the number "19" and the word "compare."

Alan, Chris and Elmo are challenged to make stew with things that start with the letter "P."

Telly practices balancing his weight during yoga class.

Elmo and Abby learn that frogs are amphibians while helping a princess turn one into a prince.

The growth chart shows Elmo hasn't grown much, so Abby casts a spell to make him grow tall.

The Count counts all the broken things that Gordon needs to fix.

Oscar helps fix a leaking, broken pipe.

Chris, Elmo and Rosita brainstorm ways to protect Stinky from falling leaves.

Telly, Elmo and Rosita help out by using their five senses.

The Princess investigates why Big Bird can't sleep and discovers a pea in his nest.

Abby and Elmo help Mother Goose write three new nursery rhymes.