On Monday, November 19, 1962, Father Knows Best began its long daytime broadcast on ABC at 12:30 pm Eastern. It moved to noon on March 30, 1964 until December 25,1964. Then it went back to the 12:30 pm slot from December 28, 1964 until February 3, 1967 when it was replaced by The Donna Reed Show. Thanks to Daniel Dedmon for researching this info.
Airing weekdays on a national network for over 4 years demonstrates the lasting appeal of the series by American families. On November, 22, 1963, Father Knows Best was on air with many ABC-TV affiliates when the news broke that President Kennedy had been shot. Check out the link below for this historic bulletin. Father Knows Best is part of the first 7 minutes of this 2 hour clip.