The hilarious and beautiful Nikki Glaser sits on Greg's back patio and talks for a long time about stand-up, sobriety and why she didn't bother to do her hair and makeup for Fitzdog Radio.

Kevin Shinick crowds into Greg's office near the airport and puts up with his shit. He's an actor, a Marvel Comics writer, an Emmy award winner and the creator of Cartoon Network's MAD.

Comedian, Seinfeld writer, author and gay Jewish former vegan Carol Leifer dispenses advice on making it in show business and beyond.

Famous Hollywood sitcom writer and novelist Kristin Newman recounts her romantic exploits abroad. Her new book, What I Was Doing While You Were Breeding, is out now!

From Anchorman 1 & 2 and 120 other film and TV roles, friend of the podcast David Koechner talks about rage and depression and comes up with an animated series called "Fitzdog!"

Greg takes you on a journey to Yosemite with his sitcom family. Portions of an interview with Josh Wolf bring it home.

The legendary Carl Reiner, a man who has been an inspiration to Greg from the time he was 12, is dumb enough to agree to be a guest on Fitzdog Radio.

From ABC's Happy Endings and Anchorman 2, Eliza Coupe describes her father Ernie and resists Greg's attempts to turn him into the next sitcom star.