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Season guide

My Three Sons: Season 8

30 episodes Premiered Sep 9, 1967 Updated Sep 26, 2026
Previously on My Three Sons

Season 8 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 7.
  • ⚡ 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.
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Season 8 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 8 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 8: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (3): Crucial lore & season climaxes
Core (27): Character development & subplots
Side Quest (0): Standalone / filler
S8·E1 Mytharc

Moving Day

Sep 9, 1967 · 25 min

The Douglases move to California, where at first they are depressed to find the residents as chilly as the weather is warm. Robbie enrols in the University and is totally captivate

S8·E2 Core

Robbie Loves Katie

Sep 16, 1967 · 30 min

After advice from his father who tells him it isn't right to tie himself down to one girl, Robbie Douglas, intending to break off his romance with Katie Miller, ends up proposing t

S8·E3 Core

Inspection of the Groom

Sep 23, 1967 · 25 min

Robbie and Katie pick a wedding date two weeks off. Katie's sorority sisters decide to do some private investigating on their own. Prospective groom Robbie then undergoes the compl

S8·E4 Core

Countdown to Marriage

Sep 30, 1967 · 30 min

The day before her wedding Katie Miller feels she faces complete disaster. When Robbie tries to console her, she flares up at him and after a short argument, the pair declare the w

S8·E5 Core

Wedding Bells

Oct 7, 1967 · 25 min

Early on his wedding day, Robbie Douglas and his family are peacefully oversleeping. They awaken just in time and scramble madly to get ready as Robbie and Katie are soon married a

S8·E6 Core

The Homecoming

Oct 14, 1967 · 25 min

Robbie and Katie come home from their honeymoon to face the problems of newlyweds in a previously all-male household. Katie finds her role difficult, for Charley insists on continu

S8·E7 Core

My Wife, the Waitress

Oct 21, 1967 · 30 min

For their fourth week wedding anniversary, Katie decides to earn some money for an expensive gift for Robbie by taking a one week job as a tea-room waitress. Robbie lunches at the

S8·E8 Core

The Chameleon

Oct 28, 1967 · 30 min

At school, Ernie meets Mike, who offers to play with him, but the family is exasperated to know Mike likes tomboyish pranks. Then there's a problem persuading Ernie to accept his n

S8·E9 Core

Designing Woman

Nov 4, 1967 · 30 min

Attractive lady engineer Eileen Talbot is assigned to help Steve Douglas on a rush project in his office, and she applies her many talents to assure romantic, as well as technical

S8·E10 Core

Ernie, the Bluebeard

Nov 11, 1967 · 30 min

Chip learns the meaning of empathy when he helps Ernie out of a predicament when he somehow winds up with two dates with two different girls for the same dance, when he doesn't eve

S8·E11 Core

The Heartbeat

Nov 18, 1967 · 30 min

One stormy night while Steve is in San Francisco, Katie is alone in the Douglas house while the rest of the family is attending a ballgame. Her tenseness builds as late in the nig

S8·E12 Core

The Computer Picnic

Nov 25, 1967 · 30 min

Chip manages to outwit the machine age when a computer is used to select partners for picnic dates for the boys in his class and girls from another school. He is soon startled to f

S8·E13 Core

The Aunt Who Came to Dinner

Dec 2, 1967 · 30 min

Katie is worried when Steve invites her visiting Aunt to spend a week at the house while he is out of town. Before long, she is molding the entire household into her image of a cul

S8·E14 Core

Leaving the Nest

Dec 9, 1967 · 30 min

When minor irritations arise in the Douglas household, Robbie and Katie move temporarily into a borrowed apartment while their friends are away. Their life is complicated by the ab

S8·E15 Core

You're Driving Me Crazy

Dec 16, 1967 · 30 min

Chip Douglas is so nervous about taking his driving test that his new sister in law Katie decides to help by taking the test with him. Soon after they both get their driving licen

S8·E16 Core

Liverpool Saga

Dec 23, 1967 · 30 min

Chip invites his neighbour's long-haired, guitar playing boy from Liverpool as a key addition to his off-key rock and roll band. The English lad's soft, folksong guitar is a disapp

S8·E17 Core

The Chaperones

Dec 30, 1967 · 25 min

With his father Steve busy over the weekend, Chip suggests that newlyweds Robbie and Katie act as chaperones to him and his friends at a mountain cabin. At Katie's insistence, Rob

S8·E18 Core

Green-Eyed Robbie

Jan 6, 1968 · 30 min

Robbie Douglas displays a bit of jealousy when his bride innocently agrees to tutor a handsome student. Later, Katie confides to Uncle Charley that he was once her steady boyfrien

S8·E19 Core

Charley's Tea

Jan 13, 1968 · 25 min

Katie tearfully complains when Uncle Charley makes her feel unnecessary in the Douglas household. Steve speaks to Charley who is flabbergasted at the accusation, but immediately ma

S8·E20 Core

Ernie, the Jinx

Jan 20, 1968 · 30 min

A series of strange coincidences make young Ernie feel he's a jinx to anyone he contacts, but his father assures him that he has a loyal family who loves him in spite all of his tr

S8·E21 Core

Ernie and Zsa Zsa

Jan 27, 1968 · 30 min

Bored because he has been left at home alone on a day off from school, Ernie goes on a search for movie stars. The boy loses his footing on a steep path and falls into Zsa Zsa Gab

S8·E22 Core

A Horse for Uncle Charley

Feb 3, 1968 · 30 min

Uncle Charley is talked into buying an 11 year old trotting horse in the hopes of capturing old racing glories. The family is delighted when they hear that the horse, driven by Un

S8·E23 Core

Dear Enemy

Feb 10, 1968 · 30 min

Robbie goes to Camp Roberts for two weeks military reserve training. At home, Steve becomes alarmed when he sees Charley's card telling him that he and the boys who are camping at

S8·E24 Core

Uncle Charley's Aunt

Feb 17, 1968 · 25 min

Dressed as a chorine named Apple Annie at his Lodge 'Frolics' night, a weary Uncle Charley awakens from a nap after a matinee performance and is forced to walk home and is arrested

S8·E25 Core

The Standing-Still Tour

Feb 24, 1968 · 30 min

Ernie remains at home with Uncle Charley while the rest of the family travel to various locations. Charley invites an old friend to dinner, believing him to be down and out. Howev

S8·E26 Core

Honorable Guest

Mar 2, 1968 · 30 min

The Douglas family cancels a camping trip to play host to unexpected Chinese friends from Bryant Park who are en route to Hong Kong and this ultimately upsets their Chinese relativ

S8·E27 Core

The Perfect Separation

Mar 9, 1968 · 30 min

The first time Robbie and Katie entertain at home they imperil the marriage of two close friends, Denise and Larry. Denise insists on playing a game in which each player tells what

S8·E28 Core

Gossip, Incorporated

Mar 16, 1968 · 25 min

Steve Douglas is promoted to head up the Airflight Helicopter Division and the unmarried female employees quickly check and discover that he's a widower. Robbie's wife Katie takes

S8·E29 Mytharc

The Masculine Mystique

Mar 23, 1968 · 25 min

Uncle Charley persists in singing an old song about a guy who steals his best friend's girl. Chip listens with some sorrow but there is a misunderstanding that almost ruins the fri

S8·E30 Mytharc

The Tire Thief

Mar 30, 1968 · 25 min

Ernie and his friends sell two used tires they found in the family storage room so they can buy a water rifle, but they cease to enjoy their 'cops and robbers' games when the real

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