Ranked #1 of 28 in Season 9•+1.2 vs season avg
The day -- or rather the night -- of the big event finds expectant mother Katie quite calm, and Steve and Uncle Charley quite the opposite, and a hapless father to be off on Army manouvres. At the hospital, Katie gives birth to identical
Fred MacMurray
Steve Douglas
Don Grady
Robbie Douglas
Stanley Livingston
Chip Douglas
Barry Livingston
Ernie Thompson
William Demarest
Charley O'Casey
Tina Cole
Katie
George Tibbles
Writer
Frederick de Cordova
Director
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"My Three Grandsons" is episode 7 of My Three Sons season 9. It scored 8.4/10 from 83 votes, ranking #1 of 28 episodes this season (season average 7.2). Directed by Frederick de Cordova and written by George Tibbles, it aired on November 16, 1968.