Ranked #22 of 28 in Season 9•−0.4 vs season avg
Because he is about to become a Grandfather, Steve has an easier time working out an important Air Force contract with a hard-shelled General. By watching the way Katie walks, the General predicts that she will have a baby boy. Meanwhile Ernie decides to run
Fred MacMurray
Steve Douglas
Don Grady
Robbie Douglas
Stanley Livingston
Chip Douglas
Barry Livingston
Ernie Thompson
William Demarest
Charley O'Casey
Tina Cole
Katie
Frederick de Cordova
Director
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"The Grandfathers" is episode 4 of My Three Sons season 9. It scored 6.8/10 from 55 votes, ranking #22 of 28 episodes this season (season average 7.2). Directed by Frederick de Cordova, it aired on October 19, 1968.