Widower Steve Douglas raises three sons with the help of his father-in-law, and is later aided by the boys' great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons. Disney producer Bill Walsh often mused on whether the concept of the show was inspired by the movie The Shaggy Dog, as in his view they shared “the same dog, the same kids, and Fred [MacMurray].
Chip asks Steve's permission to elope, but before he grants it, he insists Chip give Mr. Williams the courtesy of asking his approval too. Chip goes to see Mr. Williams only to have him accusingly flaunt a private detective's report. Realizing that Polly's own father had hired a man to trail them, he storms out before asking for her hand.
Robbie is asked to be the best man at the wedding of an old friend from Bryant Park. He decides to go back a week early to show Katie around the town where he grew up but ultimately makes a disappointing visit when he realises that time and years do change things.
Steve's reluctance to make a business trip to Rome with the family puzzles everyone in the Douglas household except Bub. He remembers that Steve and his late wife were once there and that the place may hold too many memories for him.
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 the men's apparent oversight.
An old high school sweetheart calls for Steve while he is out. Feeling nostalgic, Steve tries to locate her in town, but never seems to be able to catch up with her as he reminisces about their past relationship. As he arrives home the door bell rings and he gets a disappointment then a surprise.
When Steve invites his second cousin Selena to come and visit, Bub gets the strange impression that he is being neglected and isn't really needed. He decides to take up the offer of managing a movie theater in Plainview, and nothing the boys say or do can make him change his mind.
Mike offers to give Robbie his old car but his response baffles everyone. Robbie says he needs his own car to impress a new girl and does some fancy wheeling and dealing to get it.
Steve takes a week's vacation from the family where he soon finds that he can fall in love with someone as easily as fall out of love with them. Sure that an older couple he's met are trying to play matchmaker, Fran is unsociable towards Steve at first until he points out that he only came along on the trip to appease his fellow campers.
The family is excited when Steve might travel to Hawaii on business, but there is dismay on their faces when the 'For Sale' sign goes up outside 837 Mill Street. Going on a trip to Hawaii is one thing, but could the entire family pack up and move there?
Robbie is baffled when his girlfriend rejects the excitement of his new motor in favor of standard feminine frills. He tries to win her over by telling the boys on the football team that no girls are allowed, knowing this will upset her as she is considered one of the guys.
Its final exam time and Mike and his girlfriend Jean have thought up a test of their own - to try the strength of their affection by not seeing each other the week before school has its graduation ceremonies.
Chip believes in a magical stone frog, given to him by a lady from India and as coincidences stack up, the magic is hard to deny. The boy's belief causes some very interesting circumstances.
Mike gets cold feet when he decides to propose marriage to Sally. His bungling attempts further confuse the issue. He tries a combination of methods derived from the attempts made by his father and grandfather when they proposed to their respective spouses.
Steve gives Mike advice on love after he announces his passion for his new girlfriend Darlene, who Mike wants to devote time to, so he hardly welcomes Steve's suggestion that he help find a date for the girl in his office.
Robbie is chosen to write an 'advice to the lovelorn' column for the school newspaper, but Steve gets caught in the middle when a baffling love letter arrives. Robbie suggests that the writer should elope with her boyfriend and Steve tries to talk her out of it.
Robbie is heading for an “F” in world literature until the teacher assigns a beautiful blonde newcomer as his study partner. He is attracted to her right away but soon discovers that her looks don’t even compensate for her loss of mind.
With Steve away in Seattle on a business trip, the Douglas household's version of man's best friend has been known to drag home anything he can get his jaws into. This time Tramp slinks in with a large stick of dynamite that has somewhere and somehow survived since the end of the Second World War.
Mike Douglas and the family mongrel Tramp keep disappearing at night, and Jean becomes increasingly suspicious, unaware that Mike and his friend Tim are building her a hi-fi set for her upcoming Birthday.
When Robbie Douglas sees his new friend's home he is envious of what he thinks is really the perfect teenage home and becomes almost as envious as Hank is of the turbulent, happy-go-lucky Douglas household.
Steve's ever efficient sister arrives for a visit, and immediately changes and complicates the entire Douglas household. The challenging aspect to the whole deal is a decision that Harriet soon regrets, especially once Steve returns home from his business trip.
Mike Douglas gets a Summer job with the Forestry Service and he thinks its going to be a barrel of fun until he learns that he's expected to do a real man's job. When his boss is stranded down at the creek and a wild storm brews up, Mike spends a harrowing time trying to stay calm.
A cooking contest at school upsets Chip when he realizes he doesn't have a mother to submit a recipe. But there is much rejoicing when Steve's favourite recipe reaches the finals. The prospect of winning keeps Steve on edge, much to the displeasure of the boys and Bub.
Feeling left out when Mike and Robbie decide to go camping at Gunman's Gulch, a lonely Chip uses a raft his brothers helped make in the backyard, on which he and Steve spend a night, pretending to float down the Mississippi. They are accidentally locked out when it begins to rain. Steve begins to worry when he wakes up from a nap and thinks it is way past 4am in the morning and thinks that Bub has not yet returned from his pinochle game.
A Missile launch, sleeping in and Daylight Saving make for an interesting Monday morning. The Douglas household is a chaotic affair of lost indian arrow heads for Chip's turn in show and tell at School, Robbie's missing trumpet and some important lost plans of Steve's that Mike has nearly burned in the incinerator.
Robbie and Hank think there is only one thing in the whole world that impresses girls -- money! So they decide to open their own home help unit in the hope of making the big bucks that they are constantly in need of. However, they run into competition from Chip who organises baby-sitting as a means of increasing his allowance to buy a new bicycle.
Episode Ninja is a small business run by one person.
Pro memberships help fund servers and new feature development!