Children's Television Workshop

(was formerly known as the [b]Children's Television Workshop[/b], or [b]CTW[/b] for short) is the owner and sole proprietor of as well as the properties Dragon Tales, Sagwa, the Chinese Siamese Cat, , 3-2-1 Contact, Square One TV, Big Bag, Pinky Dinky Doo, and the Sesame Studios YouTube channel.

The CTW was founded in 1968 by Joan Ganz Cooney and Lloyd Morrisett as a non-profit corporation, to develop and produced educational television shows for preschool children, particularly those from disadvantaged backgrounds.

In 2000, the [b]Children's Television Workshop[/b] changed its name to Sesame Workshop; by then, the company had expanded beyond television. It also replaced the "CTW" on the Sesame Street sign with "123".