Del Close was the great genius of improv theatre -- he trained and directed generations of performers, including John Belushi, Mike Meyers, and the Upright Citizens Brigade. We talk about his legacy with Ian Roberts of the UCB, Anthony King of the UCB Theatre, and Jeff Griggs, author of a book on Close, "Guru."

This week we talk with Paul Feig, creator of the series "Freaks and Geeks," and author of the new book, "Superstud: How I Became a 24-Year-Old Virgin." We also talk with Ian Parton, founder of the UK hip-hop/rock/dance band The Go! Team.

This week: interviews with Greg Behrendt, comic and superstar author, and The Fun Bunch, Hollywood super-writers, Mr. Show alums, and comedy empresarios.

"The Second City," with guest Anne Libera, author of "The Second City Guide to Improvisation." We talk about the history of the illustrious comedy school, and hear some audio from it's archives.