My Three Sons - Season 6 (1965)

Uncle Charley (William Demarest) is upset when Robbie (Don Grady) leaves for a date at 11:30 p.m., but Steve (Fred MacMurray) tells Charley not to worry because Robbie has common sense. When Charley finds out he is dating a chorus girl (Pamela Austin), he is sure Robbie's future is doomed.

Steve takes the children to see the circus and they have a full day of entertainment. When Ernie wakes up overnight saying he sees a lion in the yard, Steve thinks it is just an overactive imagination. Then Steve sees the lion.

A distant relative of Charley's visits. She misses her family and feels like she has nothing to do. Charley and the children talk Steve into getting her a job where he works.

Chip has eyes for Mary Lou, who is one year ahead of him in school. Mary Lou only has eyes for Robbie, who is one year ahead of her in school. When Chip calls Mary Lou to ask her out on a date, she mistakenly believes it is Robbie and says yes.

Ernie volunteers Steve for a father & son show, but Steve is supposed to be out of town that day. On the day of the play, Steve changes his plans. Everyone goes to the school ahead of Steve, who is then stuck in costume and cannot drive.

Uncle Charley (William Demarest) provides the correct answer to a radio contest and wins one dance lesson. His instructor is a pretty woman (Joanna Moore), who is also skilled in sales. Charley buys her lines and purchases more lessons.

Robbie's girlfriend suggests a ballet class to improve his chances at making the track team. All goes well, until Robbie is expected to perform at an upcoming ballet recital, against his "masculine" instincts. Will he perform?

Ernie sees all the men in the family follow the requests of women or hopeful girlfriends. Ernie does not understand what it means, but knows he does not want to be affected.

When Steve has to fly to Hong Kong on a company plane for business, he decides to take the entire family for a vacation. Everyone is excited except Charley, who is not sure he wants to see the modern city. He knew the city years before.

Charley overhears Steve on the phone arranging a marriage; Chip and Ernie learn he is arranging the church; and Robbie sees him at the jewelry store. More coincidences occur, all pointing to Steve getting married.

Robbie tells Chip that teenage parties are the best, so Chip decides he should throw his own party, with girls. Ernie is not invited since he is too young. As the party starts, the record player breaks. Ernie comes up with a solution.

Steve gives Robbie $50 to pick up his golf clubs; finding the store not opened, Robbie goes to the pool hall. Two girls bet him to a game. They are pool sharks and win all of Robbie's money. Charley plays pool shark and wins the money back.

A shaggy dog follows Steve home and does not want to leave. The dog loves Steve and sings howling songs to him, disrupting all the neighbors. Steve has a difficult time leaving the house to go to work.

Maggie Bellini, a wealthy businesswoman, promises to match the money that Bryant Park raises to build an art center. She meets the Douglas family and is interested in Steve. She tries to buy his attentions by giving gifts to the others.

Robbie (Don Grady) saves Terri Wong (Irene Tsu) from getting hit by a car. She tells Robbie that according to Chinese custom, she must do everything for him. He enjoys the attention at first, but it becomes awkward when she continues day after day.

Robbie (Don Grady) meets a female explorer (Terry Moore) and she stops by his house, where the family meets her and she stays for dinner. Steve (Fred MacMurray) asks her out and they date while she is in town. When she leaves for another safari, she asks Steve to go with her.

Now that Robbie (Don Grady) is going to college, he wants to live at a dorm at college, instead of commuting from home. Robbie and his dorm roommate are on different schedules and it makes dorm life difficult.

Long hair for boys is now the fad since the Beatles arrived in America. Steve has been away on business and Chip's hair has gotten long and he does not want to cut it.

Robbie and Joanne think being married while in college is easy when their friends seem to manage. They find it is not easy when they babysit the friend's child.

Steve (Fred MacMurray) and Chip (Stanley Livingston) deal with females in non-traditional male activities. Steve works with Max (Kipp Hamilton), a female engineer who acts like a man and dresses in overalls at work. Georgie (Terry Burnham), a female student, signs up for the boy's track team at school and Chip thinks it is wrong.

Robbie is dating Charlene, whose younger brother is a friend of Chips. It seems every time Robbie and Charlene get together, Chip is there with Tim, always underfoot.

Uncle Charley tells Steve that Robbie is going steady with two girls. Steve talks to Robbie, but Robbie says he can handle it. One day, the two girls meet and start to compare notes on their very similar boyfriends.

After learning about the Statue of Liberty in school, Ernie decides to write a thank you letter to the French Ambassador in Washington DC. The Ambassador is touched, and invites the Douglas family to visit in Washington.

Ernie's girlfriend is an older classmate who is more interested in his stamp collection than him. Once she has the stamp she wants, the friendship is over. Meanwhile, Robbie is working on a school project but he has girls do all the work.

Ernie notices that a rare coin in his collection is missing and accuses Chip of swiping it. A kangaroo court is held and Chip is acquitted. Ernie then finds the coin and realizes Chip was innocent all along.

Ernie feels left out, when he realizes he has no trophies to add to the Douglas trophy shelf.

Robbie has an exact double around campus and it nearly ruins his reputation.

Robbie has his driving privileges taken away, after his girlfriend (Sherry Jackson) got a speeding ticket, while driving his car.

Steve seems to have changed since returning from London. When the family views home movies they took in London, Robbie realizes Steve's mood is because he misses a woman (Anna Lee) he met in London.