Tim begins concerned about his health when his 40th birthday nears and Harry, the owner of Harry's Hardware, has a heart attack.

Harry offers to sell Tim 20 percent of his hardware store (that Harry's brother is selling). Jill doesn't let Tim buy it, so Al decides to purchase it. When Al becomes obsessed with the store, this drives everyone crazy, even Ilene when he skips a date with her, and Tim decides to confront him about it.

After taping Jill's speech, he accidentally leaves the record button on when he critiques her speech. After Jill sees the video, Tim reads some of her psychology books and tapes a fake conversation with his buddies, complimenting Jill.

Tim has a Super Bowl party for his friends while Jill is sick with the flu.

Benny, Tim's friend, moves into his aunt's house while she's away. But a gas leak causes the house to blow up and Benny must stay with the Taylors.

Al tells Tim and Jill that one of their boys may have stolen a pocket knife. They don't believe their boys would steal, but they find the knife in Mark's pocket in the laundry.

After Tim becomes threatened by one of Jill's classmates, he joins her book club.

Tim invites everyone over to the house for Jill's surprise birthday party, but Jill is off looking for her childhood piano.

Tim gets "the look" from Jill after spending $4,000 on season tickets for the Detroit Pistons.

When Tim hires Marty to rebuild the Tool Time set, it puts their friendship on the line.

Jill wants Tim to get a vasectomy when they agree their family is complete. Meanwhile, Randy is voted "best butt" by the girls at school.

Dolores, Harry's wife, comes to Harry's Hardware and Tim's marital advice causes them to split up.

When Wilson is buglarized, Jill orders Tim to put in a high security system. But instead of them having peace and quite in their house, things get worse when the alarms begin going off by themselves.

When Al is the producer of a video, he selects Tim to direct, until Tim gets too bossy. Jill gets a computer.

Benny isn't allowed on the guest list fo the Thanksgiving dinner party at the Taylor house and Tim gets into the spirit of giving.

Wilson decides to act more like others after a newspaper critic gives his performance a bad review.

Before Al and Ilene's wedding, Al tells the guys a secret.

When the boys are using the phone too much, Tim has Dennis, Harry's son, install a second line.

Tim realizes his friends are boring, so he starts hanging out with students half his age.

Jill makes some embarassing remarks about Tim on a talk show, while he watches it from Harry's Hardware, with all his friends.

Tim invites his brother Marty and his twins to live with him when he discovers that Marty and his wife Nancy are separated.

Harry announces that he is retiring and selling the hardware store. Tim organizes a fundraising party for the store, but ends up buying it himself. But when the customers dry up, Tim begins to wonder what he is doing wrong.

Tim tapes his final Tool Time; Jill sets up for Al's wedding to Trudy and begins to have second thoughts about moving to Indiana.