Twin Peaks Episode 1.001 airs on ABC Television Network

The ABC Television Network airs Twin Peaks episode 1.001 on April 12, 1990 at 9:00 p.m. Eastern. The episode was written by David Lynch and Mark Frost and directed by Duwayne Dunham and had 23.2 million viewers in the United States. Source: “For the week, a network tie”. USA Today. Gannett. 1990