Having trouble with your ABCs? Elmo, Cookie Monster and Big Bird have it all figured out for you. See all the Sesame Street Muppets sing the Alphabet Song!\rbr\rbrFor more videos and games check out our new website at In this clip, Lena Horne sings with the Muppets. Sesame Street is a .\rbr\rbrNew season of Sesame Street premiering Monday Sept 26th 2011! New episodes weekday mornings on PBS! (Check local listings.) For more videos and .\rbr\rbrIf youre watching videos with your preschooler and would like to do so in a safe, child-friendly environment, please join us at In this .