Overview

A widower and aeronautical engineer named Steven Douglas raises three sons with the help of his father-in-law, and later the boys' great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons.

Seasons

Season 1

36 episodes

Season 2

36 episodes

Season 3

39 episodes

Season 4

37 episodes

Season 5

36 episodes

Season 6

32 episodes

Season 7

32 episodes

Season 8

30 episodes

Cast

Fred MacMurray

Steve Douglas

Don Grady

Robbie Douglas

Stanley Livingston

Chip Douglas

Barry Livingston

Ernie Thompson

William Demarest

Charley O'Casey

Beverly Garland

Barbara

Tina Cole

Katie