While sleeping over Elmo's house, Abby learns how to change her bedtime routine to help her calm down before bedtime. Also featuring celeb vocab 'bedtime' with Tracee Ellis Ross, Cookie Monster's Smart Cookies and Elmo's World-sleep. Brought to you by the letter B and the number 10.

With Mucko Polo (Alan Cumming), Elmo, Abby, and Oscar use their five senses to explore and search for the grouchiest things on Sesame Street. Also featuring Grover finds a pyramid and Elmo the Musical-Guacamole. Brought to you by the letter E and the number 6.

Grover takes Elmo and friends on a Sesame Street Safari and they pretend to be all of the wild animals they see. Also featuring Cookie Monster's Smart Cookies, and Elmo the Muscial-cowboy. Brought to you by the letter S and the number 5.

The SuperFood Super Foods fly onto Sesame Street to help their friends try new foods, find a healthy snack, and explain the importance of eating breakfast. Also featuring Orange is the New Snack parody, and Elmo the Musical-Tomato. Brought to you by the letter H and the number 10.

Elmo, Abby, and Alan help Grover think like a farm animal so he can throw the perfect party for farm animals. Also featuring Super Grover 2.0 (S.T.E.M.), and Elmo's world-farm. Brought to you by the letter F and the number 3.

It's Valentine's Day on Sesame Street! Elmo and Abby make valentines for each other and learn about the importance of friendship. Also featuring Cookie Monster's Twilight parody, and Elmo the Musical. Brought to you by the letter V and the number 14.

Elmo and Abby learn how to compromise and combine their two favorite songs, creating the Best Friend Song. Also featuring 'That's Music' song with 5th Harmony, Murray had a little lamb-music school, and Elmo's World-violins. Brought to you by the letter M and the number 5.

Elmo, Chris, and their friends on Sesame Street have dressed up as dinosaurs. With help from Elmo's book, they learn that there are small and big dinosaurs, some dinosaurs are herbivores and some are carnivores and that Big Bird is a dinosaur! Also featuring Jurassic Cookie parody, and Elmo's World-dinosaurs. Brought to you by the letter D and the number 15.

Telly learns that by using his imagination and experimenting, he can make art in lots of different ways. Also featuring Murray had a little lamb, and Elmo's World-drawing. Brought to you by the letter A and the number 18.

Elmo helps Abby, Grover, and Telly figure out how to say thank you to our nose, eyes, and mouth all at the same time. Also featuring Cookie Monster's Smart Cookies, and Elmo's World-noses. Brought to you by the letter F and the number 9.

Abby is going to teach Elmo how to garden, but a gnome takes his seeds and flower pot. Abby and Elmo need to play memory games in order to get them back. Also featuring Murray had a little lamb, and Elmo's World-Plants. Brought to you by the letter G and the number 17.

When Super Grover's new sidekick Horatio keeps getting stuck in doorways, Elmo has to answer the distress calls. Also featuring 'Everyday Hero' song with Aloe Blacc, Cookie Monster's Aveggies parody, and Elmo the Musical-superheros. Brought to you by the letter H and the number 1.

Rosita helps Abby and Zoe think outside the 'fairy tale' box as they imagine and make up a story together. Also featuring Cookie Monster's Star Smores parody, and Elmo the Musical-prince. Brought to you by the letter P and the number 4.

Chris helps Penelope, an overly excited penguin, learn how to control herself and make new friends. Also featuring 'Be a good friend' song with Gwen Stefani, Murray had a little lamb, and Elmo's World-friends. Brought to you by the letter F and the number 2.

Big Bird makes up a fairy tale about a bird named Birdie who helps a Beast learn how to be a good friend. Also featuring Elmo the Muscial-Prince. Brought to you by the letter F and the number 0.

Elmo and Zoe use arts and crafts to help make a 'friend' for Zoe's pet rock, Rocco, to play with. Also featuring Murray had a lttle lamb, and Elmo's World-drawing. Brought to you by the letter C and the number 7.

Elmo and Chris go camping in the woods near Sesame Street to relax and meet some new friends. Also featuring Murray had a little lamb, and Elmo's World-plants. Brought to you by the letter N and the number 16.

Cookie Monster wants to give his mom the perfect Mother's Day gift, but first he needs to learn how to control himself from eating it. Also featuring Cookie Monster's Smart Cookies, and Elmo's World-family. Brought to you by the letter M and the number 19.

It's 'Move It Day' on Sesame Street where everyone moves their body. But after spending the day just sitting and eating cookies, Cookie Monster learns that exercising and moving your body gives you lots of energy and helps you feel better. Also featuring a song with Ne-Yo, Murray had a little lamb, and Elmo's World. Brought to you by the letter M and the number 8.

When Grover's new security gate system accidentally locks Chris out of Hooper's store, Elmo and Abby help solve math problems to open the gates in time to stop Cookie Monster from eating Alan's birthday cake. Also featuring Nick Jonas, Cookie Monster's 007 parody, and Elmo the Musical. Brought to you by the letter S and the number 8.

Rosita, Elmo and Abby pretend to be astronauts and use their imagination to go into space and with help from Chris, they figure out which 'space tool' to use to fix their ripped space ship. Also featuring Cookie Monster's Star Smores parody, and Elmo's World-sky. Brought to you by the letter A and the number 10.

Elmo, Abby, Chris and Leela help to teach some chickens not to be afraid of thunderstorms. Also featuring Cookie Monster's Smart Cookies, and Elmo's World-weather. Brought to you by the letter W and the number 4.

When Elmo uses Abby's magic wand, all anyone on Sesame Street can do is sing! Also featuring 'Just like Magic' song with Sara Bareilles, Cookie Monster's Furry Potter parody, and Elmo the Musical. Brough to you by the letter M and the number 20.

Abby makes the seasons change on Sesame Street. Also featuring Cookie Monster's Smart Cookies, and Elmo's World. Brought to by the letter S and the number 4.

Abby and Elmo are the Boo-Boo Busters; finding friends on Sesame Street who need help making their boo-boos better. Also featuring Cookie Monster's Smart Cookies, and Elmo's World. Brought to you by the letter B and the number 13.

The Bookaneers, a band of book and reading-loving pirates led by Tina Fey, comes to Sesame Street! They invite Elmo to become a Bookaneer, and together they look for the pirates' treasure, the library. Also featuring 'B is for Book' with Pharrell, Cookie Monster's Smart Cookie, and Elmo's Wold. Brought to you by the letter B and the number 1.

Elmo helps Curly Bear come to terms with giving up her binky. Also featuring Cookie Monster's Smart Cookies, and Elmo's World. Brought to you by the letter B and the number 12.

Rosita is bothered by a story that doesn't resonate with her culture, so she writes her own book about things she loves: dancing, Mexican wrestling and playing with her friends. Also featuring celeb vocab in espanol with Gina Rodrigues, and Elmo the Musical. Brought to you by the ABC's and the number 9.

Prairie Dawn learns that it doesn't matter if you're a boy or girl, anyone can dress-up and play any way they want. Also featuring Cookie Monster's Smart Cookies, and Elmo's World. Brought to you by the letter D and the number 15.

Zoe is rattled when Barkley playfully picks up her pet rock, Rocco, in his mouth. Elmo, with the help of Gina, Bob and Grover, help Zoe get over her fear. Also featuring Murry had a little lamb, and Elmo's World. Brought to you by the letter D and the number 5.

Elmo learns how to win and lose gracefully while playing Hot Potato with Abby. Also featuring Cookie Monster's Hungry Games parody, and Elmo's World. Brought to you by the letter G and the number 3.

Abby turns Sesame Street into a magical ocean so Dorothy can swim anywhere she likes but when she disappears, Elmo and Abby follow clues to find her. Also featuring Cookie Monster's Smart Cookies, and Elmo the Musical. Brought to you by the letter O and the nubmer 6.

Telly is upset when Rosita pushes Baby Bear by accident because she is too excited; but with the help of her friends on Sesame Street, she learns how to control herself. Also featuring Cookie Monster's Les Moussarables, and Elmo the Musical. Brought to you by the letter E and the number 11.

Elmo helps Professor Buck Awe, played by Saturday Night Live's Taran Killam, teach a class of chickens using strategies he learned in preschool. Also featuring Murray has a little lamb, and Elmo's World. Brought to you by the letter S and the number 14.

In this special Halloween episode, the letter of the day is 'H' (for 'Halloween') and Elmo learns that a good imagination is the most important part of pretending.

The Kindness Kid (Zachary Levi) visits Sesame Street to spread kindness and Grover wants to be a Kindness Kid too, but every time he tries to do something kind, he fails. Chris helps Grover realize that just trying to help someone is actually being kind.

Oscar participates in the Be Kind to Your Worm day activities, because he knows it’ll make his best friend, Slimey, happy.

Abby helps Prince Charming calm down at the eye doctor's office.

Grover and Cookie Monster help Chris baby-sit and learn how to take care of a baby.

When Saul the Ball is disappointed that he can’t play ball with Elmo and Rosita inside the house, Elmo and Rosita help him use his imagination to play other games.

Elmo shares his scooter with Zoe and learns how to be patient and wait for his turn, while she practices and learns how to ride.

Abby and Elmo play dress up and pretend to be lots of different people, like bike repair assistants, to help Nina fix Rosita’s bike.

Zoe choreographs a ballet and the dancers must work together to figure out how to make Snuffy fly.

Rosita, Zoe, and Grover give Norbert the Robot a surprise birthday party to show how much they care about him.

Elmo keeps hiding from Nina because he wants more time to play before his bath, but Ernie helps him realize that he can play in the bathtub, too.

Baby Bear is scared of bees until Abby shows him and Chris just how amazing the insects really are.

Abby and Elmo help Big Bird calm down, so he won’t be nervous singing on the show, “The Squawk.”

Elmo and Abby help Crystal the Ball come up with a morning routine, so she can be ready to go out and play.

Cookie Monster learns how to control himself from eating his own paintings.

Elmo and Abby play with Julia, and Alan helps Big Bird understand more about Julia's autism.

Elmo has made sure his apple tree has good soil, water and sunshine, but he still needs to learn how to be patient and wait for it to grow.

Nina and her friends make musical instruments out of bike parts and play music to attract customers to her new bike shop.

Elmo and Zoe compete to see who can wear the most hats.

Abby helps Turner the Worm build a place that feels like home.

Snuffy helps out at Hooper’s Store when zoo animals come for brunch, but has to find a way to remember everyone’s order. Guest star: Audra McDonald.

When Ovejita flies up high after putting on a jetpack, Abby and Nina must figure out how to get her back down.

Rosita and Zoe build a baby-rocking machine.

Elmo sees a rainbow, but it disappears before Rosita can see it. Rosita, who has never seen a rainbow, becomes determined to see one. Guest: OK Go.

It’s Father’s Day, and Rosita’s friends help her make a video message, so she can tell her dad how much she loves him.

Redusa the Recycling Fairy visits Sesame Street and helps everyone recycle their old trash into something new to help keep the earth clean and beautiful.

Elmo, Rosita and Chris try to find six camouflaged things on Sesame Street so they can join the Camouflage Club. Guest: Kyra Sedgwick.

Elmo doesn’t give up and keeps practicing until he can play the song “Twinkle Twinkle Little Star” on his piano. Guest: 5th Harmony.

Ernie and Elmo help Bert tap into his imagination as he acts out different scenes for a movie.

Freddy Flapman, real estate agent to birds, tries to convince Big Bird to migrate away from Sesame Street. Guest: Lin-Manuel Miranda.

Chris and Elmo help Alan compete in challenges to become the “Cast Iron Cook.” Guests: Jason Schwartzman, Anthony Mackie.

Abby is excited to meet her new stepbrother, Rudy, for the first time. Rosita and Elmo help Abby look out for him so that she can see Rudy as soon as he gets to Sesame Street.

Abby and Rosita help watch Grover’s dogs, but Rudy scares the animals when he tries to pet them. Rudy uses Abby’s wand and turns himself into a dog so that the dogs will be friends with him.

After Rudy uses Abby’s wand to find the best hiding spot, and accidentally turns himself into a banana, she becomes worried when she can’t find him.

When Grover wishes he didn’t have a cold in the fall, Rudy uses Abby’s wand to change the season. Now, every time Grover sneezes, the seasons keep changing.

When Segi becomes upset after reading a book about her favorite character, Mando, Chris and Leela help her see that being brown is snazzy. Guest star: Lupita Nyong’o.