Sesame English is an American television/video series developed as a collaboration between Sesame Workshop and Berlitz International. Launched in 1999, with Taiwan and China as the debut markets, the series differs from the typical international versions of Sesame Street in that it was devised as a supplement to ESL instruction. previously, the original Sesame Street was aired in some countries as an English learning television series despite co-productions already existing. The target age group is children from 4 to 7 years old.