Rechov Sumsum (Hebrew: רחוב סומסום, "Sesame Street") is an Israeli educational television program for preschoolers, based on the popular U.S. children's show "Sesame Street".The first three series of the show were a joint production of the Israeli educational television and the CTW, a Worldwide American non-profit organization which has been co-producing the original American "Sesame Street" since 1969.