List of My Three Sons episodes

The main characters are presented, including the three sons: Mike aged 18, Robbie aged 14, Chip aged 7, and Tramp the dog. The basic relationships within the family are established, that Steven Douglas is of Scottish descent, and has been a widower for 6 years.

A missile launch, sleeping in and daylight saving time make for an interesting Monday morning. The family seems to be unusually tired. The Douglas household is a chaotic affair of lost Indian arrowheads 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. In the end, they went through all that trouble for nothing. Apparently Bub accidentally set the clocks an hour ahead instead of turning them back one hour with the end of Daylight Savings Time. This episode features the voice talent of Paul Frees narrating the missile lunch for the entire episode.

A family arguement starts when there's no food in the house for dinner. Mike couldn't drive Bub to the store because so many unexpected things came up. Steve's says that 'life is just an endless series of small adjustments'. Steve's theory is put to the test in just one day's discovered doings. He needs to borrow Mike's car as Mike will take the station wagon to drive Bub around. Steve must meet with a top Air Force General to discuss plans for a rocket design. The men barely fit into Mike's car. Steve drops off the General and makes plans to have him over for dinner. On the way home, the car dies and Steve has it towed. He then has to take the bus home. Steve falls asleep and misses his stop. He winds up calling Bub from a house that's having a party. Meanwhile, Mike is waiting at the bus stop for Steve. What follows are more transportation inconveniences and missed connections. Then it turns out the General had to cancel the dinner plans. Kate Murtagh as Hedwig.

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.

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.

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.

Steve takes a week's vacation from the family to stay at a wilderness fishing lodge, where he finds that the older couple who run the lodge are trying to play matchmaker, having invited an attractive woman there also. She is unsociable towards Steve at first until he points out that he only came along on the trip to appease his fellow campers.

Chip sees a ghost while trick-or-treating.

Chip and his pal Ernie go treasure hunting.

Helping a pregnant woman gives engaged Mike pause.

Robbie teaches American customs to a Chinese girl.

The family may be moving to Hawaii.

Mike decides to teach Sally how to fish.

Robbie's class harasses a substitute teacher, and when Robbie mentions her name at home, Mike immediately recognizes it and Robbie gets an earful from Steve.

Members of a losing team may lose their girlfriends.

While Bub is away in Ireland, Steve makes a disaster of cooking and laundry while Chip has a girl with very serious manners as their dinner guest.

An Indian named Paul Owlfeather (Paul Picerni) comes to the Douglas home. He tells Charlie that their house is sitting on what was once Owanani tribal burial grounds. Paul says that he is the last Chief of his tribe. He also says that every 24 years there has to be a ceremony on the grounds. Charley sends him on his way. Mayor Hall (Hugh Sanders) now comes by with Paul and convinces Charley to allow the ceremony. Paul brings by his family and introduces them to Charlie. Charlie and Paul's mother Running Deer (Renie Riano) do not get along. Paul's family set up a camp in the back yard. Steve is away and sees a picture of the camp and Charlie in the paper. Because of an old tradition, Charlie unknowingly gets himself engaged to Running Deer. Steve comes up with a way to get Charlie off the hook.

Chip and Ernie tell Charley that they got into a fight because someone called Ernie a "second hand kid". Charley asks Steve why they can't adopt Ernie. Steve reminds him that the county won't let them without a woman in the house. Robbie wonders if maybe Miss Coulter could find a loophole. Even Miss Miller doesn't think there's a way around the rules. But, later that evening, Miss Miller comes up with an idea that may work. Miss Miller, Miss Coulter, Steve and Charley talk to Judge Leland (John Gallaudet) and he believes there's a way for Ernie to be adopted. That evening, before a celebration dinner, Chip and Ernie have a fight over their dogs. When they get home, the dogs have made friends and so do Chip and Ernie.

Steve is preparing to fly to Kansas City for a business trip. He realizes he could drive and take time to stop at the town where he grew up. Steve decides to take the whole family on the trip with him. While visiting the house he grew up in, Steve runs into old friend Betty Reynolds (Ann McCrea), who lives there now. Chip and Ernie wander around town asking people if they remember Steve. Steve dines with his old girlfriend Ellen Kiefer (Virginia Grey), her surly husband Ed (Dave Willock) and their obnoxious children in their messy house. Charles Herbert as Eddie. Burt Mustin as Elderly Man. Percy Helton as Second Man. Irene Tedrow as Mrs. Travers. Pamelyn Ferdin as Roseann.

Steve gets transferred to California. They soon feel that the people in California, including their neighbors, are not very friendly. Steve reminisces about the early days at their old home. Robbie meets a very friendly Katie Miller (Tina Cole) at his new college. Steve finalley talks to Jan Dearing (Joan Vohs), his neighbor. It turns out that they had just moved in as well. The two families have a barbecue together and Robbie has a vision of Katie in a wedding dress. Kathleen Freeman as Lady Checker. Don Brodie as Male Driver.

Katie informs her sorority sisters that she is marrying Robbie in two weeks. The girls decide to do some research into him and come up with some mis-leading information. Katie's mother arrives from out of town. She arranges a get together with Robbie and some of Katie's family members. Steve explains that they will be looking him over to see if he is good enough for Katie. Katie's Grandma Collins gives Robbie her seal of approval.

Chip's class uses a computer to get dates with kids from another school for the upcoming "computer picnic". Meanwhile, Ernie takes Tramp to obedience school. Chip is excited to be matched up with a Marlene Hendrix. That all changes when he meets her and sees that she's a foot taller than he is. Steve says that Chip shouldn't hurt Marlene's feelings and still go to the picnic with her. Marlene can tell Chip is uncomfortable with the situation and suggests that they maybe trade dates. So Chip and his buddies get together and swap their dates. Chip ends up trading dates with his much taller friend, Marv. Chip gets along great with his new date, Angela Mason. Ernie uses his own money to get a little boy a dog. The boy's father comes by to thank Ernie. Kevin Brodie as Carl Murchinson. Paul O'Keefe as Norman. Billy Booth as Jack.

Katie and Robbie must choose a doctor to see them through her pregnancy. A lot of people recommend their doctor. Katie's mother makes an appointment for her to see their family doctor, Roy Osborne. Robbie is skeptical because he is a G.P. and not a specialist. He is also not happy that he basically works out of his house. Dr. Osborne says Katie is fine, but then diagnoses Robbie with a sudden chest infection. Katie likes Dr. Osborne. Robbie is called last minute to go to his new job. He asks Steve to sit in for him at baby class. Robbie does eventually come to like Dr. Osborne as he recovers from his illness. and recommends him to a friend who is also having a baby. Venerable character actor Leon Ames in his first of four appearances as Dr. Osborne. Lurene Tuttle as Natalie Corcoran. Robert L. Crawford Jr. as Tod Springer. Lillian Powell as Housekeeper.

Robbie is still away on Army maneuver training and he's unaware that Katie is expecting multiple births. Katie tells Steve that it's time to go to the hospital. At the hospital, Steve is a bundle of nerves. Charley is trying to get a hold of Robbie. Robbie is told by a Sergeant that he is being sent home because Katie is at the hospital. At the hospital, rules only allow two people in the waiting room per expectant mother. Charley, Chip and Ernie each try to get in claiming to be the father. Robbie finally arrives just as Katie is giving birth. Steve is about to tell everyone that Katie is having more than one baby. Nurse Rogers (Patience Cleveland) comes in and gets Robbie. In this touching episode, Katie surprises everyone by giving birth to identical triplet sons. Sarah Selby as Admissions Clerk.

Robbie is to appear on college TV to discuss the triplets. Steve's is surprised to learn former Bryant Park co-worker, Ray Wong (Benson Fong), has transferred to Los Angeles. Ray tells Steve that his daughter Gloria is married and going to have a baby. He also mentions that he can't stand his son-in-law Henry because he's a long-haired hippie. Henry is intelligent but has no direction in life. Robbie and Catie invite Gloria and Henry over. Henry visits where Steve and Ray work in case he would like to work there. An excited Ray calls Steve to tell him Gloria had twin boys. Now Ray doesn't mind Henry so much.

Ernie's writing ability lands him in an advanced special English class. The class is taught by a strict teacher named Miss Houk (Sylvia Sidney). Ernie is having a hard time with his first assignment and winds up getting a failing grade on it. Next he has to recite some Shakespeare with a girl named Bunny (Lisa Eilbacher). Ernie doesn't do well with that either. Ernie wants to do something to prove to Miss Houk that he's not a bad student. He writes a really good paper, but Miss Houk thinks he copied it from somewhere. Ernie gets upset and tears the paper up in front of her. Miss Houk comes by the Douglas house to apologize to Ernie.

Robbie has graduated from college. Robbie and Katie and their three sons move out of the Douglas home and into their own apartment not far away. Katie feels Steve needs a woman in his life. She would like him to meet a friend of her mother's, Millicent Sawyer (Elaine Devry). Ernie tells Steve that his substitute teacher, Barbara Harper, would like to have a talk with him. Steve goes to Katie's and Robbie's to meet Millicent. Millicent calls Katie to inform her that while Steve is nice, she isn't interested in him. Steve meets Barbara in a high-school corridor, and the two are quickly attracted to each other. She is also a widower and she has a daughter. The two spend the rest of the day together. Robbie and Katie come by to tell Steve about Millicent and they find out he's seeing Barbara.

Judge Markham (Jon Lormer) presides over Steve formally adopting Dodie. At school, Dodie is harassed by a mean-spirited girl named Victoria Lewis. One morning, Dodie pretends to be sick. Barbara finds a way to get her to go to school. Chip and Ernie figure out that Dodie is being picked on and speak to her. Chip and Ernie have a little talk with Victoria and say that they'd hate to see anyone picking on Dodie. Dodie now uses the big brother defense to make Victoria and the other girls afraid of her. Pauline Lewis (Patience Cleveland), Victoria's mother, comes to speak with Barbara. Pauline believes that Victoria is afraid of Dodie and it's causing her bad dreams. Steve and Barbara find out that Chip and Ernie had something to do with the problem. The boys find a way to make things right and Dodie and Victoria become friends.

Chip meets Polly Williams at college and introduces her to the family. Rob asks Steve and Barbara what they are going to do for their one year anniversary. Steve says their just going to have a quiet dinner together. Meanwhile, Polly's father, Tom, worries that she is spending too much time with Chip. Dodie decides she wants to give Steve and Barbara a surprise party. But she does not tell anyone where it is at, or what time. The morning of the anniversary, Dodie let's it slip to her parents that she is having a party. Everyone has other plans, but Steve tells them he doesn't want Dodie hurt and they have to show up. At the party, Dodie sees all the nice presents the family brought and runs off. She is sad because her present was homemade, but Steve and Barbara tell her they love it.

Chip and Polly are married and on their way to Mexico for their honeymoon. They encounter some car trouble. As a wedding present, the mechanic doesn't charge them too much. Back home, Steve reminisces to Barbara about the time Chip as a child had a girlfriend. Chip's car runs out of gas. A man named Paco (Natividad Vacío) comes by and tells them that gas is far away. Paco does help them get to their destination. Rob and Katie find out that Chip eloped. Chip and Polly will be staying at the same hotel Steve and Barbara stayed on their honeymoon a year earlier. When they try to get their room, they find out the hotel is now a singles hotel. They have to spend their first married night in separate rooms. The next day, Pepe the manager arranges for Chip and Polly to have a room together. Chip talks to a Harold Fletcher who says his 4 year marriage has not been great. Harold says he got married too young and Chip should "run for the hills". But something Chip says makes Harold decide to give his marriage a chance. Veronica Cartwright as Ruth Fletcher. Robert Broyles as Max. Bobby Diamond as Mike Wiggins.

Chip and Polly are expected home from their honeymoon soon. The familys are giving them a surprise welcome back party, but the couple are running late. Everyone is there except Tom. The couple finally arrive. The next day, Chip packs his things to move into the college dorm with Polly. Tom is still upset that Polly eloped. Chip and Polly have Steve and Barbara over for dinner. Polly is sad that her father hasn't spoken to her since they've been back. Chip goes to speak with Tom. Tom says that while he loves Polly, he's been hurt. Margaret is not happy with the way Tom acted. That night, Tom comes by the dorm. He claims that his car broke down not far away. Tom notices that Polly has a picture of him up. He admits that his car didn't break down and Polly and him hug.

Rob and Katie's anniversary is coming up and the triplets are wearing them down. As a present, Katie's mother, Lorraine, offers to take the triplets with her to St. Louis for a month. Despite Rob and Katie going out for several nights, Charley says within two weeks they'll want the kids back. Steve and Barbara spend several nights with Rob and Katie. Steve and Barbara can't keep up that pace and they miss the boys. Katie wonders how the boys are doing. Meanwhile, Lorraine has her hands full with the triplets. Steve has to take a business trip that will take him by St. Louis. Steve stops by Lorraine's house and they both agree it's time for the boys to come home. Lorraine brings the boys home and Rob and Katie are thrilled.

It's Dodie's first day in the upper-second grade. Dodie's class has a new teacher named Mike Turley (Peter Brown). All the girls think he's handsome and Dodie develops a real crush on him. Dodie tries making some cookies for Mr. Turley, but it doesn't go well. Steve talks with Dodie about Mr. Turley. At school, Dodie gets her head stuck between two fence bars. Mr. Turley comforts her while the janitor frees her. Barbara comes to the school and realizes that she used to teach Mike when he was younger. Barbara invites him over for dinner. Dodie is all excited and dressed up for Mr. Turley. When Mike arrives he introduces his fiancée Ann Carter (Linda Foster). At dinner, Mike mentions how he had a crush on Barbara when he first met her. Dodie's crush fades when Mike kisses Ann.

Dodie is taking piano lessons from Mrs. Pomeroy (Ann Doran). Meanwhile, Ernie's friend Neal (Jon Walmsley) speaks to Barbara about his shyness problem. Barbara thinks Neal is hiding behind his long hair. Dodie and her friends Susan and Margaret rehearse at the Douglas house, but their off-key playing drives everyone crazy. Dodie tells Steve and Barbara that her trio will be in a recital. At the recital rehearsal, Dodie's trio practices first. All the other children laugh at them, but Mrs. Pomeroy tells them to keep playing. Dodie tells Barbara that she won't play at the recital. Neal tells Dodie something that changes her mind. The night of the recital, Susan and Margaret get stage fright and can't perform. Steve and Barbara talk Dodie into playing anyway. Ernie and Neal show up to the recital. Because Dodie can overcome her fear, Neal has had his hair cut to overcome his shyness. Dodie performs with Steve and Charley.

Robbie is laid off at the plant. He tells Steve that he's been given another job in San Francisco. Charley is upset because the triplets are moving away. In San Francisco, Rob and Katie are having a hard time finding an apartment until they meet Cleo Mortensen (Pat Carroll). They meet their new neighbor Clark Sullivan (Mike Minor), who is in show business as a singer. Willis Mortenson (Richard X. Slattery), Cleo's husband, is not thrilled about the triplets. Every time he wants to bring it up to Rob, Rob shows him things that are wrong with the apartment. Katie is worried that her and the boys are putting an extra burden on Rob. Katie meets Ellie Kopsing (Sherry Alberoni), Tracy Lee, Wilma Chambers and Sherry Cross (Karen Carlson). Rob has a rough first day at work and Katie again gets worried. Something Sherry says makes Katie worry even more. Steve makes a surprise visit and Katie tells him how she feels. Steve makes Katie feel better.

Steve tells co-worker Tom that Robbie has taken a job in Peru. Katie and the triplets have moved in with the Douglas family. Steve's cousin Fergus McBain Douglas, who looks just like him, arrives from Scotland. Fergus asks a surprised Barbara where his room is. Charley meets Fergus and learns that Fergus will be rooming with him. Charley doesn't quite like Fergus and his condescending ways. Fergus stops by Steve's office and tells him he's concerned because he doesn't have an heir. He came to America in search of a wife to take back with him. Charley gets upset when Fergus asks his girlfriend Dorothy personal questions. Despite not liking him very much, Katie is surprised to see how well Fergus interacts with her triplets.

Katie auditions as a singer at a small coffee house called Osserpse. Later, she tells Steve that she misses Rob. Also, she wants to do more than just stay at home with the triplets. Katie tells Steve about the coffee house and she doesn't think she did well. Frankie Leslie (Anthony Caruso), the owner of the coffee house, comes by. Frankie tells Katie to come the next day to audition again. Steve and Charley don't much care for Frankie. Katie gets the job and the audiences like her. Charley and Steve still worry about Frankie and his possible motives. Charley and Steve go to see Katie perform. They meet Frankie's wife Leona and start to realize that they don't have to worry about Katie. It's not long though, before Katie quits, telling Frankie she needs to take care of her kids.

Barbara and Katie go shopping at the supermarket with the triplets. Jack Lorning (Bob Hastings), a talent scout, thinks the boys would be perfect for a product he wants to sell. He would like to use them in a commercial. Katie's not sure about it, but she takes the boys to the studio anyway. Jack introduces Katie to Perry Perigrine (Michael Dante), the director. Perry reprimands Katie for being late. The boys meet Blake Willerson (Jon Lormer), who is to be the boys grandfather in the commercial. While trying to film, the boys act out, wander off and break things. Perry grows increasingly irritated. Later, Jack comes by the house. He says that even though they didn't get any footage they could use, the boys looked good on film. Because the boys didn't really get along with Blake, Jack comes up with the idea to have Steve play the part. Even though things don't go smoothly, they do get a commercial they can use.

Katie has a chance to take a temporary secretarial job. She tells Steve and Barbara that she will put the boys in nursery school. Charley fumes when he hears about the boys. Everyone tells Charley it will be good for the boys. At work, Katie meets assistant office manager, John Wilkes (Anthony Eisley). Katie then befriends fellow secretary, June Mosfitt. Charley leaves for the afternoon, not telling anyone where he's going and comes home in a great mood. Barbara wonders what he's up to. At work, John and mail-boy Richard fawn all over Katie. Something Dodie says, makes Barbara think Charley is seeing a red head every day. It's Katie's last day at work and she gets off early to pick up the boys. She sees Charlie at the school and finds out he's been helping there every day. Shirley O'Hara as Elsa Zettsil.

Polly comes by hoping to talk to Steve, as she's having a problem with Chip. But Steve is away on business. Polly says that Chip's boyhood friend Brian Lipsker (Micky Dolenz of The Monkees) is visiting. Brian is now a big rock star going by the name John Simpson. Chip is thinking of giving up his studies and becoming a rock star, too. Charley invites John over for dinner. John talks about all the places he's been. He also mentions that he's married and expecting his second child. He brings the family with him when he tours. Chip believes that kind of life is for him. John mentions that he makes $2 million a year. Polly really wants Chip to pursue his chemical engineering degree. Even Steve thinks a music career might not be bad. Polly decides to back Chip's decision. But, after a talk with Steve, Chip decides to continue his studies. Johnny Silver as Plumber.