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.

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.