Neal Brennan talks for an hour about being on a retreat and not talking for a week.

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

Manly man from "Dirty Jobs" and voice of "Deadliest Catch”

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.