September 29th, 1960My Three Sonsfirst aired.The series ran from 1960 to 1965 onABC, and moved toCBSuntil its end on August 24, 1972.My Three Sons chronicles the life of a widower andaeronautical engineernamed Steven Douglas (Fred MacMurray), raising his three sons. The series also starredWilliam Frawleyas the boy’s live-in maternal grandfather, Bub. Frawley, was replaced in 1965 byWilliam Demarestdue to Frawley’s health issues.September 29,1985The pilot episode of "MacGyver" aired on