Rob gets a summer job on a cruise ship going to the Caribbean. Turns out, Steve takes the same ship for a business trip to establish business with a new company. Both Rob and Steve find a way to have fun while working.
Sally and Mike are getting ready for her bridal shower. They want to receive practical gifts that will fill their kitchen and workspace. Bud thinks the shower show reflect a romantic theme and the gifts should highlight love.
Ernie & Chip have a Cub Scout adventure planned for the weekend, doing a moose patrol, which Steve is supposed to lead. However, Steve forgets, and brings home a business associate so they can work on a project together.
Steve is asked to escort a congresswoman when she is in town. For Chip, he is asked to be friends with a shy girl at school who is campaigning to be the class president. Chip is also campaigning to be the class president.
Jean Pearson returns to Bryant Park for a visit and calls the Douglases, looking to reconnect with Mike. They meet and as they reminisce, Mike's feelings for Jean are rekindled and he can't bring himself to tell her he's engaged to someone else. Unaware that Jean doesn't know this, Robbie spills the beans, prompting Jean to tell Mike she has to hurry home. They bid each other farewell, this time for good.
The owner of the Lotus Blossom restaurant is thinking of returning to Hong Kong. Steve enjoys eating at the restaurant so he tries to convince her to stay, telling her all the great things to do in America.
When Bub decides to fly to Ireland to visit his 104-year-old aunt, Steve says he can take care of the house while Bub is gone. Steve thinks woman make it seem harder than it really is. Soon, Steve has to eat his words.
Robbie's latest girlfriend takes him to the country club. When he gets home, he tells his father he should job the club because it is where the important people gather. Steve tells Robbie you do not have to be in a club to be important.
The Douglas family plans a vacation to Hawaii, but Chip gets sick and the trip is canceled. Charley decides if they cannot go to Hawaii, then Hawaii shall come to the Douglas'. He plans a luau party in the backyard.
Charley runs into a friend from his vaudeville days on the stage. Since she looks great for her age, Charlie thinks she might have found the fountain of youth. She tells Charlie he just needs to enjoy his life.
Sally talks Mike into submitting their names for a computer love match program. She is upset when the computer does not match them together. Mike asks Steve to submit profiles for his parents who are sure to match each other.
There's a new dog in town, and it looks like Tramp. Prince is a pampered pet of a rich neighbor. The dogs get mixed up by the owners, and the families are bewildered by the personality changes of their pets.
Uncle Charley takes Chip with him when he attends a reunion dinner with his vaudevillian friends. Chip meets a girl there that he likes. When he loses one of his shoes, he feels like Cinderella at the ball.
Sally's mother arrives in town two months before the wedding in order to help with the final preparations. When she starts handing out assignments to everyone from a long list of chores, Mike starts to daydream about easier weddings.