The Hogan Family

Valerie discovers a mysterious love letter in David's pants pocket and questions him about it. She quickly learns that David is dating an ""older woman,"" a woman Valerie forbids David to see. Meanwhile, a broken refrigerator causes a repairman to invade the Hogan kitchen.

David's latest girl friend, Hilary makes quite an impression on both David and Valerie and David has been seeing her every night at his house for the past two weeks. However, when Valerie invites her to go out with the family to see a comic-juggling act, David adamantly objects.

When Michael's military buddy, Skip Franklin comes to Chicago for a visit, he stops by and brings along with him a swaggering demeanor and a foul mouth, both, which influence David and Willie. Subsequently, David begins to treat his girlfriend like dirt and Willie begins swearing up a storm.

Valerie has a rough morning and the rest of the day doesn't prove to be any better when she gets a call from the school with news that Mark mooned the student body while up on stage accepting a citizenship award. Meanwhile, Valerie also finds herself dealing with David, who is grounded for breaking curfew and Willie who suddenly has in his possession a pair of num-chucks.

Valerie fixes David up with the daughter of a friend of hers, however, David slips into depression when he gets dumped. Meanwhile, the new neighbors, the Pooles have a dog, whose nocturnal barking is keeping Valerie up all night.

Valerie's friend Annie encourages her to try out a trendy hairdresser, however, she soon gets more than she bargained for when her hair gets dyed blond. Meanwhile, after tripping over Willie's skateboard, David blackmails him into being his servant.

After Valerie's sudden death, Sandy, Michael's sister, moves in, and finds her school-counseling job a breeze compared with what she faces at home: David tries to be a ""supermom,"" while Willie and Mark are at odds over a science project.

Rich and Burt assume more than they should after David has a study session with the new girl in school and he lets them assume that they are much more involved than they actually are. Quickly he learns he's inadvertently destroying a reputation.

While moving in some of Sandy's belongings, the boys dig up old stuff in the attic, one of which is an old lamp David made as a gift for Michael. However, unaware to anyone, the lamp sparks a fire causing the house to go up in smoke and the Hogans to temporarily move in with the Pooles next door.

College freshmen David, Rich and Burt have been feeling a little left out of the college social scene and decide to spark some attention by stealing a rival school's mascot, a wolverine, but when the fierce creature gets loose, it's every Hogan for himself. Meanwhile, Mark and Willie enroll Sandy in a computer dating service and she discovers this just as her date knocks on the front door.

After David fools the twins with a bald-faced lie, they turn the tables on the ""master of practical jokes"" by convincing him that his hair is falling out. Meanwhile, Michael chokes under the pressure of retaking his driver's test.

A nervous Michael dives into the dating pool bu doesn't make much of a splash, while David will stop at nothing to avoid immersing himself in an English assignment.

The Hogans take a trip to Paris and enjoy the sites and sounds. Meanwhile, David befriends an attractive woman, Julia, who unknowingly to him is a princess playing hooky from her royal duties. However, private investigators soon begin searching for her.

Paris, the City of Lights, has cast a romantic glow over David and Julia, however, Julia's day of playing hooky begins to slowly come to an end as the private investigators stake out the Hogan family. Sandy and Mrs. Poole quickly find themselves in trouble as they are chases through Paris by two men.

The private investigators catch up to Julia and whisk her away leaving David without an explanation or a goodbye. However, things turn around for the young couple as, Julia invites him and his family to a Parisian party fit for a princess.

Sandy and Michael's father has just gotten a divorce and the family decides to go out to California to visit him. Grandpa Lloyd has taken to living on a boat and has plans to sail to Tahiti, something which Sandy is adamantly against. Meanwhile, David becomes a crew member of a film being shot on the beach.

Sandy and Michael fear the worst when Lloyd disappears but breath a sigh of relief when he is found safe. Later, Sandy tries to talk him into moving in with the family, instead of living on a boat. David's movie crew gig goes awry and Cara makes an unexpected visit, surprising a preoccupied Mark.

The babysitting kids misplace Mrs. Poole's infant niece.