My Three Sons

The family is cleaning house and Katie does heavy lifting and uses ammonia. Overcome, she faints but says she was just resting. Her mother arrives and says her woman's intuition tells her Katie is pregnant, They go to the doctor to verify.

Pregnant Katie needs to choose a doctor and many people recommend their doctor. But her mother makes an appointment for her to see their family physician, Roy Osborne. Robbie balks at choosing a GP, seeing that he works out of his house.

After Katie feels her baby moving for the first time, Robbie decides it's time for him to mature and take life more seriously. Meanwhile, Ernie's friend has a dog that is also pregnant, so Ernie also wants to be involved with the birth of the puppies.

Steve meets with a hard-boiled Air Force general to sell a product, but the general - himself a new grandfather - after learning that Steve is about to become a grandfather, becomes an easy sell as he eagerly shares his experiences as a grandfather.

Robbie and Katie realize that they will need help with the babies after they are born and seek to hire a baby nurse. Uncle Charley wants the job, and is disappointed by not being asked, so he sets out on a series of baby sitting jobs to gain experience.

Katie feels like she is getting as big as a house, even bigger than her pregnant friend Lisa. While Robbie is away, Steve takes Katie to her OB appointment, where her doctor reveals why she is getting so large - she is having more than one baby!

Robbie is on Army maneuvers unaware Katie is expecting triplets. Steve and Uncle Charley must get her to the hospital when her labor pains start. Hospital rules only allow two people in the waiting room per mother. Robbie rushes home.

Rob and Katie bring the triplets home from the hospital and reveal their names - Robbie Jr, Steve II and Charley - much to the delight of their namesakes.

Feeling that he's not contributing enough Robbie decides to quit school, get a job, and move his family into their own place. Rob's college counselor urges him to think it over and asks the administration office to delay his paperwork over the weekend.

It seems that everybody has something planned for Friday night - except Ernie. Since this will be the first time Rob and Katie are away from the triplets, they are reluctant to leave Ernie alone with the babies, so they hire a sitter.

When Uncle Charley goes to pick up his date, not only has he been stood up but she has run off to get married. Charley is in the dumps until a group of women fawn over him when he takes the triplets out. Charley tells them he is the grandfather.

The triplets are teething and Katie is exhausted from the constant care they need and from lack of sleep. She and her mother go to Santa Barbara for a few days of doctor prescribed rest while the family takes care of the babies.

Steve plans to have a bedroom enlarged to include a nursery. The contractor he hires locks horns with everyone except Katie. It turns out that after having recently lost his wife and daughter, he's blessed with his first granddaughter.

Steve's friends set him up. The family tries to give the impression that Steve isn't really as old as he seems, when the woman acts more and more surprised meeting each of Steve's sons, who is older than the previous.

The family doubts Katie's accuracy in identifying the triplets, unaware that she has placed ink dots on the baby's feet to assist her. Steve bathes them unaware he washed off the ink. Katie takes them to the hospital to match footprints.

Chip has a new girlfriend, Debbie, and their relationship is progressing at a rapid pace. Shortly after convincing Debbie to drop her swimming class for home economics, Chip and Debbie announce that they are engaged.

Steve is recruited to be a double agent willing to sell secrets to America's enemy. He's whisked off to New York to meet his contact, an attractive younger woman. She suspects Steve is not genuine and leads him through a series of tests.

Chip almost has enough money to buy a hot rod from his school chum Wayne, but Steve reminds him that he's forgetting about insurance and other costs associated with car ownership.

Steve's former Bryant Park co-worker, Ray Wong has transferred to Los Angeles and tells Steve his pregnant daughter's husband is a long-haired hippie. Though intelligent, the son-in-law hasn't any direction in life. Ray seeks Steve's help.

Alternate title: I Told You So. Chip and Ernie spot Robbie with an attractive young woman, and tell their father about it, but Steve says that there is probably a good reason and not to worry about it.

Ernie becomes somewhat depressed when he learns his best friend Gordon is moving away. The two decide to spend as much time as possible hanging out together until moving day.

Charley starts dating the grandmother of Ernie's friend, Janet. The teens are shocked at the scandal of the old people acting young.

Ernie writes to Maria (Silvia Marino), a pen-pal of Spanish nationality. He invites her to dinner at his home.

Ernie thinks that he has ESP, when he's the only person in his class to guess the correct color of a card held up by his teacher (Booth Colman).