Valerie - Season 3 (1987)

Willie and Mark find themselves mismatched to two unlikely girls for a school project on marriage, resulting in escalating hostility. Dave gets competitive with Sandy.

After saving the life of a teacher who was having a heart attack, David reconsiders his life and becomes a changed person - but the effect may not be permanent.

With his family away on a trip to look at a possible investment for Sandy, David throws a party, but ends up having to lock Rich in a closet to prevent him from driving home drunk.

After some initial success betting on football games, David gets overconfident and becomes deeply in debt to a bookie.

Mark gets into an advanced academic program at David's high school, but David is increasingly frustrated by his younger brother's presence and success interfering with his senior year.

After Sandy lets them watch a gory zombie movie on a stormy night, the three Hogan boys each have nightmares.

After Willie starts to do well in school, he plagiarizes a poem to please his favorite teacher. Dave agrees to take care of Mrs. Poole's dog when she goes out of town, but he loses the troublesome hound.

Sandy thinks the principal is her secret admirer, but is surprised to learn it's someone closer to home.

Sandy agrees to let her ex-husband escort her to his sister's wedding, but is reminded why she divorced him. Dave sits in on his dad's poker game.

David's improving chemistry grade coincides with his romantic interest in his teacher (Lisa Aliff).

Prodded by David's new interest in psychology, Mrs. Poole's icy relationship with her mother-in-law becomes explosive, and Mother Poole moves in with the Hogans.

Willie talks Mark into playing hooky - but when Mark is the only one caught, Willie abandons him. David agrees to entertain at a birthday party for Mrs. Poole's nephew.

When David gets a job as a waiter, the cashier puts the moves on him to make her fiancé jealous. Michael gives Mark some boxing lessons for self-defense.

Sandy tries to avoid a blind date with an Elvis impersonator, while Dave tries to get the house to himself for a date.

Michael's buddy Skip returns, offering to take him and David on a plane ride. But things turn deadly serious when the plane begins developing engine trouble and everyone is forced to bail out.

David recommends hiring a scatterbrained but beautiful blonde named Melanie as the Hogans' temporary housekeeper - with the predictable bad result.

While Michael and David are away, the twins Mark and Willie sneak a peak at an X rated videotape.

Michael is ridiculed when he reports seeing a UFO while flying his airliner. Sandy makes things worse when she takes him to a UFO support group. Mark and Willie make David their slave so he can get an extra concert ticket they have.