Season
Season 12 Episode
- Season 9 The Great Pregnancy
- Season 9 Dr. Osborne, M.D.
- Season 9 Life Begins in Katie
- Season 9 The Grandfathers
- Season 9 The Baby Nurse
- Season 9 Big Ol' Katie
- Season 9 My Three Grandsons
- Season 9 Tea for Three
- Season 9 Back to Earth
- Season 9 First Night Out
- Season 9 Cassanova O'Casey
- Season 9 Expendable Katie
- Season 9 The New Room
- Season 9 The Fountain of Youth
- Season 9 Three's a Crowd
- Season 9 Chip and Debbie
- Season 9 What Did You Do Today, Grandpa?
- Season 9 Chip on Wheels
- Season 9 Honorable Expectant Grandfather
- Season 9 The Other Woman
- Season 9 Goodbye, Forever
- Season 9 The O'Casey Scandal
- Season 9 Ernie's Pen Pal
- Season 9 Ernie, the Transmitter
- Season 9 The Matchmakers
- Season 9 Ernie is Smitten
- Season 9 Two O'Clock Feeding
- Season 9 Teacher's Pet
My Three Sons - Season 9 Episode 15 Three's a Crowd
6.40 30 minutes Although Katie confidently calls the look-alike triplets by name, other members of the family doubt her accuracy, and when Steve helpfully bathes them, she admits that she can no longer tell them apart because he washed off the inkdots put on their feet. They must be taken back to the hospital for proper identification.
