Greg Behrendt and Ian Bagg are featured; Dr. Katz and Ben "help" Laura buy a used car.

Carol Leifer and Kevin Meaney are featured; Ben is convinced his father is about to remarry after Katz has a couple of dates with a gastroenterologist.

Dr. Katz applies his expertise to a criminal trial.

Katz gets a phone call from Sharon Meyers, a woman he dated briefly two years ago, when she was also his patient. She was very attractive, and a dancer (""She was a Rockette. She can kick her own face,"" Ben says).

Ben is surprised to get a letter from boyhood friend Lance Garcy. Turns out it's a chain letter, and Ben is quite awed by its power of causing tragedy to strike those who ignore it.

Katz gets a death threat, via Laura, who is unclear on the details; she didn't press for more information because ""I didn't want to make him angry--er.""

Teri Garr and Ed Crasnick are featured; Ben opposes gentrification of his old neighborhood and tries to form a grass-roots movement to stop it.

When the paper doesn't get delivered for a few days, Ben observes that Katz is hooked on the news. Katz denies it and bets him that he can go longer without news than Ben can go without talking.

Dr. Katz piques his brain committing his theory of intelligence to paper for an adult-education class.

Julie sets Katz up on a blind date with her friend Beth, who makes her own clothes. Stan put in a good word for Katz, telling Beth that Katz's nickname was ""Scootch.""

Katz and Ben decide to reorganize their closet space, and they hire a company to do it.

Katz gets a ticket for running a stop sign, despite his efforts to lighten up the cop (""That is a great color for you""). Ben asks, ""Why didn't you play with his mind?"" and suggests they contest the ticket.

Ben's goes to visit his cousin Sarah, in an unnamed city, from whom he once stole money when he was 6 (""It was over a dollar,"" he says as he worries whether she's still upset).

Katz's wedding anniversary is approaching, so Ben wants to do something for him.

A new tenant catches Ben's eye.

As Katz and Ben prepare to go to Katz's niece Rachel's wedding, Katz discovers that since Uncle Morty is dead, he'll have to dance with Rachel -- and he can't waltz.

Katz is auditioning for a community theater production of ""Love's Retreat.

Katz's old ping-pong rival David Stanick calls and wants to play again -- for $750. Katz agrees and starts to train and worry.

While watching the news, Ben and Katz learn that a mailbox in their neighborhood was struck by a car driven by a bald Caucasian male in his late 40s. Ben assumes it was his dad, despite dad's protests that while he is in his late 40s, he is ""balding,"" not bald.

Katz seems to be losing energy and is sleeping later in the morning. He wonders if he's feverish, but in fact, he feels a little cold.

Ben becomes enamored of Cindy, a telemarketer from Telepurchase. He mistakes her powerful sales skills for actual affection, and wants to have a private conversation with her, resulting in an angrily whispered argument between him and Katz.

Margaret Cho and Paul F. Tompkins are featured; Ben has his wisdom teeth pulled, and Dr. Katz nurses him back to health.

Dr. Katz hosts a radio show.

Conan O'Brien uses Dr. Katz's jokes on TV.

Katz's ex-wife comes to visit Ben, prompting Katz to threaten to move out.