Executive Producer for Late Show with David Letterman for 19 years and now a film director, Rob Burnett shares stories about what it was like inside the greatest talk show of all time.
Star of his own show on SiriusXM, Jason Ellis talks to Greg about what it means to be a man.
From The State and Reno 911!, Kerri Kenney-Silver talks about how she & Greg knew each other as kids and that their radio dads were friends.
Greg talks to Rory Scovel about a recent gig at a strip club and predicts that Rory will soon be very famous in the United States. Check out his website.
Rugged Bryan Callen freely discusses who and when he is prepared to kill. You will be shocked and impressed by his answer.
From Freaks and Geeks and Inglourious Basterds, the effortlessly charming Samm Levine makes his first appearance of many on Fitzdog Radio.
Kliph Nesteroff, author of "The Comedians," an essential history of stand-up comedy. First of a two-part series.
Fan favorite Andy Kindler -- the comic's comic's comic -- talks about his and Greg's experience on the Comedy Central Roast.
The Sunday Papers are back! Don’t worry, only a couple of Trump stories. And, of course, Blondie!
Alison Rosen is Greg's new best friend. Watch her turn the tables on the interview once again.
From "The Carmichael Show" and the new film "Keanu," Tiffany Haddish makes Greg laugh and cry all in one interview.
Class act Tom Dreesen shares stories about touring with Sinatra and the Los Angeles comedians' strike.
Manly man from "Dirty Jobs" and voice of "Deadliest Catch” Mike Rowe talks to Greg and makes him feel like a girl.
From “The Talk” and nine other shows, the lovely Aisha Tyler meets Greg at the Improv for a chat. Find her “Axis” Kickstarter campaign here.
Sugar Ray frontman Mark McGrath returns to the show and talks about the greats and not-so-greats of 90s music.
Mike Lawrence splits his time between writing for hot TV shows and telling jokes to drunks. And now confessing his sins to the Fitzdog.
Maria Menounos invites Greg into her dumpy house in the hills and flirts with him right in front of her fiancé Keven.
From TV's second best show Silicon Valley, Kumail Nanjiani describes his love for stale bread.
Kevin Pollak talks about the difficulties of being a serial killer and announces that he drove to the show in an Autopilot Tesla.
Nick Kroll drops in and talks to Greg about their tough childhoods growing up in Westchester County, New York.
Country music sensation Wheeler Walker Jr. debuted at #9 on Billboard’s Country Albums chart and is the nastiest son of a bitch in country music.
Judd Apatow invites Greg into his home in the slums of Brentwood to talk about making the new Pee-wee Herman movie.