Melvin Udall is an obsessive-compulsive novelist with Manhattan's meanest mouth. But when his gay neighbor Simon is hospitalized, Melvin is forced to babysit Simon's dog. And that unexpected act of kindness-- along with waitress Carol Connelly-- helps put Melvin back in the human race.

He's ingenious, he's phobic, he's obsessive-compulsive. Monk's hilarious, offbeat antics have made him unfit for duty, but he's back as a police consultant to help out on their most baffling cases.

Neurotic con man Roy suffers from several emotional problems, including obsessive-compulsive disorder. He and his partner Frank swindle people out of money. Frank wants to pull a really big job, but Roy is too consumed with fear and panic attacks to join him. Only cigarettes and his trusty illegal prescription drugs seem to keep him going. When Roy finds himself in desperate need of more pills, he is forced to see legitimate psychotherapist Dr. Klein....

Monk is back for his fourth season as the obsessive-compulsive police consultant who helps out on the most baffling cases.