Penn visits Gilbert at his Amazing Colossal Studio, where they discuss Johnny Carson, Jimmy Fallon, Don Rickles, The Smothers Brothers, & groove-oriented comedy.
The Penn Jillette Radio Show March 01, 2007
https://pennfans.net/files/audio/pennradio/The.Penn.Jillette.Radio.Show.2007.03.01.mp3 Podcast: Download (Duration: 43:08 — 9.9MB) Special Guests: Mythbuster Adam Savage