Welcome to the Karen (1975) guide at TV Tome. Karen was a sitcom about a brash, overanxious young woman who worked for a citizen lobby group called Open America. Broadcast History <br>January 30, 1975 to May 8, 1975 <br>ABC Thursdays at 8:30 to 9:00 p.m. <br>(Replays were seen through June 19, 1975)