John is taken to court by a patient who claims the good doctor caused him to have a heart attack by taking him to a gym.

John refuses to settle a lawsuit against him, despite the advice of his lawyer, because it would imply guilt.

John takes an out-of-shape patient to a gym to work out, but the man has a heart attack there and then sues John; Linda dyes her hair blonde and suspects that's the reason people think she's dumb.

John is excited when he learns that his favorite college professor from Harvard is coming to town. But when John meets him, he's shocked to discover that the man doesn't remember him.

John is crankier than normal when he suffers a bout of insomnia, which he believes can be cured by watching mindless TV shows. Unfortunately, his TV set is broken and he refuses to buy a new one.

John, for once, is at a loss for words when his godson seeks his advice on how to tell his father that he is gay; Reggie gets caught up in a game of one-upmanship with a snooty acquaintance.

John doesn't know what to do when he accidentally learns that Linda and Reggie are dating the same guy; Bob tries in vain to figure out who the hooker is in his building.

Reggie secretly conducts a psychology experiment on John to see if he treats attractive patients the same as unattractive ones. Also, Jake gets into a jam when he's accidentally sent a driver's license.

Jake's grandmother insists she has a heart murmur and gets angry at John when he declares her to be in good health; Reggie goes through an old high-school yearbook and gets more depressed by the minute; Margaret becomes concerned about Linda's relationship with a young boy.

John is honored when he's asked to fill in for the mayor and be the commencement speaker at his old high school, until he discovers why the mayor dropped out.

John's former flame appears unexpectedly at his door and announces that she has left her husband and wants to move in with John.

Linda tries to make it up to John after she mistakenly books him on a gay cruise; Jake's new girlfriend finds his blindness appealing.

John has his hands full when a former patient dies and leaves him his ashes, and a current patient suffers a puzzling rapid heartbeat. Elsewhere, Reggie turns a blind eye to her handsome new boyfriend's glaring flaws.

Everyone makes fun of John when he starts dating an attractive 27-year-old lawyer and even he begins to wonder if everything is fine after he experiences chest pains when the subject of sex comes up.

Margaret makes the mistake of telling Linda that she had a sexy dream about John, which, of course, Linda can't keep to herself. At the diner, Reggie is stuck with a keg of beer when Jake unknowingly signs for it, so they decide to just drink it all themselves.

John becomes part of a department-store Christmas display when he throws his back out and can't move; Reggie competes against a rival businesswoman to see who can collect more toys for kids; Linda persuades Margaret to let her pose as the office manager so she can impress her parents.

John announces that he has quit smoking, but Jake bets him that he can't even go a day without a cigarette.

John is asked by a patient to commit insurance fraud to help him get benefits for his sick brother; Reggie's date proposes to her on their first evening out.

John's college girlfriend pays a visit and invites him to her hotel room, but since she's married, John isn't sure he should go.

Someone trashes John's office over the weekend and a clueless cop is assigned to the case.

John tries to impress a high-schooler who is following him around to see what a day in the life of a doctor is like.

A string of unfortunate happenings takes place when John varies his daily routine and eats at a new Chinese restaurant.

The tenants in John's building believe he killed their super, and Bob starts looking for a job when Linda throws him out of her apartment.

John attempts to enjoy a movie at a theater, but he walks out when the patrons keep annoying him. He then tries again...and again...and again. Elsewhere, Jake agrees to help Reggie get into a college course, but soon regrets it.