The line comes from the Ubu Productions production logo that closed many American sitcoms in the 1980s, with a voice speaking directly to Ubu, the black dog shown in the logo. Because it played after the final scene, viewers came to associate it with the end of an episode, and clips of it later circulated online as a nostalgic sign-off and a gentle reaction sound. Its short length and calm delivery keep it useful for creators who want a wholesome, old-television ending rather than a loud meme sting.