New season of Sesame Street premiering Monday Sept 26th 2011! New episodes weekday mornings on PBS! (Check local listings.) Ifyou're watching videos with your preschooler and would like to do so in a safe, child-friendly environment, please join us at www.sesamestreet.org In this clip, Feist sings Sesame Street's version of 1,2,3,4. Sesame Street is a production of Sesame Workshop, a nonprofit educational organization which also produces Pinky Dinky Doo, The Electric Company, and other programs for children around the world.