Children's Television Workshop was founded in 1968 and introduced Sesame Street the following year, becoming a defining name in educational children's television. Its on-screen logo changed several times, and the 1983 version paired the CTW initials with a short synthesized theme that closed many broadcasts through the eighties. The company was renamed Sesame Workshop in 2000, but recordings of the older closings kept circulating on video sites and logo archives. That circulation turned a brief production sting into a shared nostalgia cue for viewers raised on public TV.