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The Best Episodes of My Three Sons Season 9

Every episode of My Three Sons Season 9 ranked from best to worst. Discover the Best Episodes of My Three Sons Season 9!

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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

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Episode Rankings

  1. #1 Fan Favorite
    My Three Sons Season 9 Episode 1 - The Great Pregnancy
    7.8/10(63 votes)

    #1 - The Great Pregnancy

    S9:E1

    While the family is doing some spring cleaning, Katie faints behind the couch. Soon her mother's intuition brings her to the house and she announces that Katie is going to be a mother. Once it is confirmed by a doctor, the family dotes on Katie, but seems to ignore the father to be.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  2. My Three Sons Season 9 Episode 2 - Dr. Osborne, M.D.
    7.2/10(62 votes)

    #2 - Dr. Osborne, M.D.

    S9:E2

    Controversy erupts in the Douglas household over the selection of a doctor for Katie during her pregnancy. While Robbie and Katie want to choose their own doctor, Katie's mother insists on making an appointment with the Miller family doctor. Meanwhile, Steve stands in for an absent Robbie at his first baby class.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  3. My Three Sons Season 9 Episode 3 - Life Begins in Katie
    7.1/10(64 votes)

    #3 - Life Begins in Katie

    S9:E3

    The baby stirs inside Katie and Robbie feels its movement and suddenly sheds his youthful ways to become very much the sober and altogether too serious expectant father. Meanwhile, fatherhood is taking a different approach when Tramp's puppies to the next door neighbor's dog Francis, are about to be born.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  4. My Three Sons Season 9 Episode 4 - The Grandfathers
    6.8/10(55 votes)

    #4 - The Grandfathers

    S9:E4

    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 for class President at school.

    Director:Frederick de Cordova
    Writer:Unknown

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  5. My Three Sons Season 9 Episode 5 - The Baby Nurse
    7.5/10(49 votes)

    #5 - The Baby Nurse

    S9:E5

    When Robbie and Katie announce that they might hire a baby nurse, Uncle Charley is confident they will ask him. When they don't, he embarks on a marathon of baby sitting so he can learn the ropes by hiring himself out as a professional baby sitter.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  6. My Three Sons Season 9 Episode 6 - Big Ol' Katie
    7.5/10(58 votes)

    #6 - Big Ol' Katie

    S9:E6

    In an advanced stage of pregnancy, Katie suffers qualms about her looks that are as out of proportion as her figure. She is temporarily distressed by her hugeness until she learns from her doctor that she is going to have more than one baby.

    Director:Frederick de Cordova
    Writer:Unknown

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  7. My Three Sons Season 9 Episode 7 - My Three Grandsons
    8.4/10(81 votes)

    #7 - My Three Grandsons

    S9:E7

    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 triplet boys and Steve must adjust to the fact that he is a Grandfather, three times over.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  8. My Three Sons Season 9 Episode 8 - Tea for Three
    7.3/10(54 votes)

    #8 - Tea for Three

    S9:E8

    As the triplets come home from the hospital their names are announced by the happy parents: Robbie Jr, Charley and Steve II. Their father Robbie finds that he is totally unprepared for all of the attention that the infants attract.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  9. My Three Sons Season 9 Episode 9 - Back to Earth
    7.4/10(64 votes)

    #9 - Back to Earth

    S9:E9

    It may not be poker, but nine in the Douglas family is a full house. Feeling somewhat responsible, Robbie decides to quit school in order to pursue work full time and find a new home for his family. A wise school counsellor takes steps to discourage the move. Meanwhile Steve designs some plans for an extension to the house to accomodate the babies further.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  10. My Three Sons Season 9 Episode 10 - First Night Out
    7.3/10(63 votes)

    #10 - First Night Out

    S9:E10

    Robbie and Katie have been invited to a High School reunion and they are reluctant to leave their babies with an unknown sitter as everyone in the family is otherwise busy. They hire a professional sitter that is recommended by the family doctor.

    Director:Frederick de Cordova
    Writer:Unknown

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  11. My Three Sons Season 9 Episode 11 - Cassanova O'Casey
    6.5/10(56 votes)

    #11 - Cassanova O'Casey

    S9:E11

    On the rebound after his girlfriend Sally suddenly marries another younger man, Uncle Charley acquires many new lady friends when Katie schemes to put the wind back in the lovable old windbag's sails.

    Director:Frederick de Cordova
    Writer:Unknown

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  12. My Three Sons Season 9 Episode 12 - Expendable Katie
    7.1/10(59 votes)

    #12 - Expendable Katie

    S9:E12

    With three babies to look after, Dr. Osborne says Katie is completely exhausted and he prescribes a couple of days bed rest. She flies to Santa Barbara to be with her mother. While she is away the family must hire three cleaning ladies to restore the house back to normal.

    Director:Frederick de Cordova
    Writer:Unknown

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  13. My Three Sons Season 9 Episode 13 - The New Room
    7.9/10(66 votes)

    #13 - The New Room

    S9:E13

    The contractor that Steve hires to add a baby alcove to Robbie and Katie's room leaves much to be desired. He displays all the charm of a top sergeant and is putty in Katie's hands, but is exasperatingly gruff and non co-operative to the males in the Douglas home.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  14. My Three Sons Season 9 Episode 14 - The Fountain of Youth
    7.3/10(51 votes)

    #14 - The Fountain of Youth

    S9:E14

    Steve meets an attractive widow who seems to be very interested in him but suddenly she turns cool towards his intentions. The family does its best to give the impression that Steve isn't really as old as he seems.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  15. My Three Sons Season 9 Episode 15 - Three's a Crowd
    7.7/10(53 votes)

    #15 - Three's a Crowd

    S9:E15

    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.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  16. My Three Sons Season 9 Episode 16 - Chip and Debbie
    7.1/10(54 votes)

    #16 - Chip and Debbie

    S9:E16

    Chip and his girlfriend announce to a startled Douglas family that they plan to marry and continue high school. Disapproving, Steve visits the girl's parents but they decide not to forbid the marriage but wait for further developments. When Katie becomes ill and Robbie takes her to the doctor, Chip and Debbie are left with the triplets for some hectic hours.

    Director:Frederick de Cordova
    Writer:Unknown

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  17. My Three Sons Season 9 Episode 17 - What Did You Do Today, Grandpa?
    6.7/10(72 votes)

    #17 - What Did You Do Today, Grandpa?

    S9:E17

    The Douglases feel that Steve is becoming sedentary, not knowing that he's just been assigned to help capture some enemy agents, but things get rough when he's taken to a Greenwich Village cocktail party where the spies start shooting when they find him hiding in the bathtub.

    Director:Frederick de Cordova
    Writer:Unknown

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  18. My Three Sons Season 9 Episode 18 - Chip on Wheels
    6.9/10(52 votes)

    #18 - Chip on Wheels

    S9:E18

    Steve Douglas gives Chip a well-preserved second hand car for his 16th birthday but he is astounded by his son's unenthusiastic reaction; he is embarrassed to drive it, and parks it a long way from school so he won't be recognized as the old car's owner.

    Director:Frederick de Cordova
    Writer:Unknown

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  19. My Three Sons Season 9 Episode 19 - Honorable Expectant Grandfather
    7.5/10(51 votes)

    #19 - Honorable Expectant Grandfather

    S9:E19

    Steve's old Chinese friend transfers to Los Angeles and happily renews his friendship with the Douglases. He confides in Steve and Charley that he is concerned about the man his daughter has married - an aparently aimless hippie with long hair.

    Director:Frederick de Cordova
    Writer:George Tibbles

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  20. My Three Sons Season 9 Episode 20 - The Other Woman
    7.3/10(56 votes)

    #20 - The Other Woman

    S9:E20

    Chip and Ernie observe their married older brother, Robbie, in the company of a glamorous woman. The boys report the upsetting situation to their father Steve, who assures them he has trust in Robbie and urges them to maintain confidence in their older brother too.

    Director:Frederick de Cordova
    Writer:Unknown

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  21. My Three Sons Season 9 Episode 21 - Goodbye, Forever
    7.3/10(63 votes)

    #21 - Goodbye, Forever

    S9:E21

    Young Ernie is crushed when he learns that his next door neighbors are selling their house, and his best friend is leaving the neighbourhood. Pending their separation, the two boys are together day and night; the Douglases give Gordon a touching farewell party.

    Director:Frederick de Cordova
    Writer:Unknown

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  22. My Three Sons Season 9 Episode 22 - The O'Casey Scandal
    6.5/10(52 votes)

    #22 - The O'Casey Scandal

    S9:E22

    Ernie and his girlfriend are dismayed when Uncle Charley and her grandmother don't act like old folks after they meet at a school band contest. Ernie confides in his amused family about his concern over Uncle Charley's behaviour.

    Director:Frederick de Cordova
    Writer:Unknown

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  23. My Three Sons Season 9 Episode 23 - Ernie's Pen Pal
    7.0/10(50 votes)

    #23 - Ernie's Pen Pal

    S9:E23

    Ernie bemoans the task of writing in Spanish to a Latin-American pen pal but she then astonishes him by accepting a dinner invitation by cablegram; Maria is the daughter of a high ranking diplomat.

    Director:Frederick de Cordova
    Writer:Unknown

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  24. My Three Sons Season 9 Episode 24 - Ernie, the Transmitter
    6.9/10(52 votes)

    #24 - Ernie, the Transmitter

    S9:E24

    After being the only one in his class to choose the correct color in a card test, Ernie is convinced he has extra sensory perception. He predicts disaster for Robbie and Katie if they keep an appointment for the babies with Dr. Osborne.

    Director:Frederick de Cordova
    Writer:Unknown

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  25. My Three Sons Season 9 Episode 25 - The Matchmakers
    7.2/10(57 votes)

    #25 - The Matchmakers

    S9:E25

    Steve's co-worker and golf buddy, suggests that Steve and two of his sons, go to the company picnic with him and his two children. To the parents' dismay, the youngsters take an immediate dislike for each other.

    Director:Frederick de Cordova
    Writer:Unknown

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Season 9 Ratings Summary

"The Great Pregnancy" is the best rated episode of "My Three Sons" season 9. It scored 7.8/10 based on 63 votes. Directed by Frederick de Cordova and written by George Tibbles, it aired on 9/28/1968. This episode is rated 0.6 points higher than the second-best, "Dr. Osborne, M.D.".