Martians arrive on Sesame Street to find out what Earth people are like; Elmo shows them around and helps them learn that people come in lots of sizes, their skin comes in lots of colors, and people speak lots of languages.

Cinderella would rather play than open her new shoe store and be a princess; Rosita tells Cinderella she can solve both of her problems if she gets a pair of sneakers like hers from the new store.

Elmo, Big Bird, Rosita, Alan, Julia, Nina and the rest of the neighborhood gather to appreciate all the traditions, cultures and delicious foods their community has to offer.

Mother Goose tries to write a nursery rhyme for Elmo, but doesn't know anything about him; Abby tells Mother Goose some of the things that make Elmo special.

Abby and Elmo help Rapunzel figure out how to keep her hair from getting in the way so she can follow her dream of becoming a gymnast.

Rudy's favorite sweater no longer fits him, so Nina suggests having a clothing drive where everyone can give clothes they do not need to people who do need them; Rudy's sweater goes to a little girl who is very excited to wear it.

The letter M goes missing all over Sesame Street, and it is up to Nina and the gang to find it.

Abby tries to help Chris after he loses a sock while doing laundry, but her efforts create chaos when she conjures up dancing socks.

Abby's family has dinner at Elmo's house and learns that even though they do things differently, everybody can have fun working together to get dinner ready.

Bert searches for a quiet place to nap after Ernie makes too much noise; after spending time apart, Bert and Ernie apologize to each other and learn that even though they had a fight, they can still be friends.

When a lost kitten gets discovered on Sesame Street, Chris and Elmo put up signs to try and find its owner; Grover and Cookie Monster help look after the kitten and learn how to take care of it.

Prairie and her friend Gabrielle are practicing a dance, but their hair doesn’t move the same way. Nina helps them realize that the dance is even more fun when they each let their hair do what it wants to do! Elmo and Big Bird join in and let their fur and feathers fly free.

Elmo's friend Zuzu is visiting Sesame Street from South Africa. After reading all about her home in the Book Nook, Elmo and Alan throw Zuzu a welcome party with South African food, music and traditional clothing. At the party, Zuzu says she read up on Sesame Street, too.

It's Chinese New Year on Sesame Street! To learn how some people celebrate the holiday in China and around the world, Nina helps Elmo, Abby Cadabby, Cookie Monster and Grover build their own dragon costume. (Guest: John Legend).

Big Bird is getting ready for a visit from Chamki, his pen pal from India. Grover, Elmo, Rosita and Cookie Monster build a giant bird feeder to help her feel comfortable on Sesame Street. When she gets there, the gang finds out that even though she and Big Bird have a lot in common, she's not a bird at all!

Lily, a four-year-old tiger cub from China, joins Chamki, Zuzu, and all their new friends for an international food festival on Sesame Street. The group learns about traditional dishes from Japan, South Africa, India, and China. Rudy is reluctant to try the unfamiliar foods, but he’s pleasantly surprised when Elmo, Abby, and Chris encourage him to taste a few.

Elmo helps Zoe find just the right play date for her pet rock, Rocco.

Nina knows a lot of dances from around the world, and she's able to teach everyone the moves to their favorite dances.

Cookie Monster defends his identity when rumors start swirling that he's really Veggie Monster.

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

Everyone on Sesame Street is getting ready to play Shape Hunt. Each team gets a list of shapes and they have to look closely around the street to find them. When both teams have difficulty finding shapes on their list, Julia helps by finding shapes in places no one else thought of.

Elmo and Grover help Floatie the Cloud try to find a job on Sesame Street; Chris helps Floatie realize that she already has an important job by bringing rain to help plants and flowers grow and giving shade to keep everyone cool on hot, sunny days.

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

Chris, Telly and Zoe visit the Laundromat and find Leela making a bracelet. She explains today is "Rahki", an Indian holiday for brothers and sisters where they exchange bracelets (also including people they feel are like brother and sister).

Nina cleans out the bike shop, and Oscar wants everything for his trash collection; the Three Pigs Movers figure out how to use wheels to help them move heavy items to Oscar's can.