Karen visits and Tim must stand up to her. Jennifer invites Brad to her parents' anniversary, so Jill teaches him how to dance.

Tim gets bad luck after throwing a chain letter from Al out. Randy wrecks his new bike after being dared to do a trick.

Jill and Karen thinks that Tim will look at a woman in a restaurant, after he checks out a woman on Tool Time. Randy has trouble playing football.

When Tim throws a party to celebrate putting in the hot rod's engine, Jill decides to hook her friend Karen up with one of the guys coming to the party and ends up ruining Tim's day with a barbeque. Meanwhile, the boys have problems with the McGurn brothers.

Dave has Tim tell Karen that they had lunch that day, even though they didn't. The boys have trouble with the McGurn brothers.

Tim refuses to ask for directions on the way to Shelia's wedding.

Tim puts a piece from a Chinook helicopter in his lawnmower for a race against Bob Vila. Brad and Randy get Mark to eat a tadpole so that he can play with them.