My Three Sons: Season 12
Season 12 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of My Three Sons Season 11.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 12 Progress Shield
The Advent of Fergus
Sep 13, 1971 · 25 min
Steve's look-alike Scottish nobleman cousin Fergus, comes to America looking for a bride to take back to his hometown of Sithian Bridge and moves in on the entire Douglas family, m
Fergus for Sale
Sep 20, 1971 · 25 min
When Uncle Charley learns that Fergus is looking for a wife to take back to Scotland to provide him with heirs to carry on the family name, he takes out an ad in the local newspape
Lady Douglas
Sep 27, 1971 · 25 min
Steve's Scottish cousin Fergus, after only one date with Bowling Alley Cocktail Waitress Terri Dowling, proposes but gets turned down by her. She feels inadequate to return to Scot
Goodbye, Fergus
Oct 4, 1971 · 25 min
The wedding day for Steve's Scottish cousin and bowling alley waitress Terri Dowling finally arrives amid the traditional confusion and tears. They leave for a three day honeymoon
Four for the Road
Oct 18, 1971 · 25 min
Having no choice, Steve takes the triplets to work where a secretary offers to take them home until he is finished. However he accidentally loses her details and when she finally r
Polly the Pigeon
Oct 25, 1971 · 30 min
Chip complains about Polly's lack of sales resistance because they have an apartment full of useless things. But she is trapped by a salesman into giving a dinner party for eight
Happy Birthday, Anyway
Nov 1, 1971 · 25 min
Uncle Charley leaves for a week's vacation in San Francisco but meanwhile, birthdays disrupt the Douglas household, when Barbara, Katie and Polly turn against their spouses over th
Proxy Parents
Nov 8, 1971 · 25 min
Childless young marrieds Chip and Polly Douglas suddenly find themselvs the temporary guardians of several young children including the triplets, when Katie flies to Peru for a wee
The Enthusiast
Nov 15, 1971 · 25 min
Barbara's natural enthusiasm bubbles over into an embarrassing evening for Steve and some of his business associates. Barbara explains to Steve that adrenalin gets her going in co
Katie's Career
Nov 22, 1971 · 25 min
Katie Douglas takes a job singing in a small coffee house, but both Steve and Charley have their doubts about the man she is going to work for. After meeting the owner's wife, they
Polly's Secret Life
Nov 29, 1971 · 25 min
Polly fears that Chip is losing interest in her as a woman, and she takes some very dramatic steps to remedy the situation. Ernie gets the impression that the marriage is on the ro
The Sound of Music
Dec 6, 1971 · 25 min
Uncle Charley is persuaded to fill in as a Cello teacher to a small group of reluctant young music students. His teaching methods leave much to be desired as he makes sure that th
TV Triplets
Jan 13, 1972 · 25 min
Katie's triplets are spotted by a talent scout for a production company and are selected to appear in a television commercial. The temperemental Director yells when the boys misbeh
Three for School
Jan 20, 1972 · 25 min
Katie decides to put the triplets in a nursery school during the day when she fills in for a friend as a secretary, a move that enrages Uncle Charley when he hears about it. Later,
Alfred
Jan 27, 1972 · 25 min
A little first grader named Alfred develops a big crush on third grader Dodie Douglas -- much to her displeasure. When Uncle Charley invites him to dinner, Dodie tries to fake illn
Buttons and Beaux
Feb 3, 1972 · 25 min
When the Douglas men feel sorry for Katie because of her husband's continued absence, they proceed to overwhelm her with attention by each one of them taking her out to the same re
Peanuts
Feb 17, 1972 · 25 min
Dodie commits the entire Douglas family to a time consuming project - the awesome task of getting a four foot tall bag of Peanuts into small little sacks which they hope to sell at
Bad Day for Steve
Feb 24, 1972 · 25 min
Steve suddenly becomes accident-prone when his youngest son Ernie tries to discover by graph and observation how the moon's lunar phases affect people's behaviour.
Second Banana
Mar 2, 1972 · 25 min
While Steve becomes pre-occupied with a time-consuming project named Taurus, Barbara blossoms forth as a Championship Cook. Her recipe for 'Tangy Tidbits' wins her a trip to Hawaii
Bad Day for Barbara
Mar 16, 1972 · 25 min
Although Barbara is feeling very ill, she is saddled with the responsibility of looking after the entire Douglas household but in the end, to escape the pressure, she just walks ou
The Birth of Arfie
Mar 23, 1972 · 25 min
The Douglas family becomes concerned about Dodie's despondency when Tramp, the ageing family mongrel, keeps disappearing at night. Meanwhile, Uncle Charley makes her a rag-doll an
Lonesome Katie
Mar 30, 1972 · 25 min
Katie becomes disillusioned about life without Robbie, and seriously thinks about divorce after speaking with another of the wives in the same situation. Meanwhile, Dodie and her t
Barbara Lost
Apr 6, 1972 · 25 min
Chip decides to quit his Chemical Engineering studies in favour of a rock music career when he meets up with a former friend who is now a big star. When Barbara visits John in the
Whatever Happened to Ernie?
Apr 13, 1972 · 25 min
Steve's boss Bob Anderson and his wife share 'Where-did-we-go-wrong?' panic as they struggle to communicate with their son; Steve and Barbara are the counselors. The teenager is ru