My Three Sons

My Three Sons is an American situation comedy.  The series ran from 1960 to 1965 on ABC, and moved to CBS until its end on August 24th, 1972. 

My Three Sons chronicles the life of a widower and aeronautical engineer named Steven Douglas (Fred MacMurray), raising his three sons.  The series also starred William Frawley as the boys’ live-in maternal grandfather, Bub.  William Demarest replaced Frawley in 1965 due to Frawley’s health issues.