Dr. Katz, Professional Therapist — Season 6

Jeff Goldblum and Ted Alexandro are patients; Ben considers joining the military after being called a "sissy" by a boyhood chum.

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.

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

Dom Irrera and Mitch Hedberg are featured; Ben and Dr. Katz explore past-life regression, and Katz learns he was once a barmaid in the Old West.

Tom Hertz and Al Lubel are featured; Ben throws a big party, and asks his father to make other plans.

Wanda Sykes-Hall and Jon Stewart visit the doctor; Ben joins a walk for hunger in an attempt to impress Laura.

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.

Merrill Markoe and Dana Gould visit the doctor; Ben cares for a neighbor's rooftop pigeons as a snowstorm approaches.

Mitch Hedberg and Matt Siegel are clients; Katz takes up gardening as a hobby, but Ben discovers his secret motivation.

Dom Irrera and Al Lubel take the couch; Ben buys a big-screen TV to replace their failed set.

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 is skeptical of a new therapy technique suggested by Ben.

Dr. Katz hosts a radio show.

Dr. Katz applies his expertise to a criminal trial.

Ben gets a job at a bakery.

Ben learns of Laura's engagement.

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