Bryan Callen is an actor and stand-up comedian, and together with Brendan Schaub he also hosts "The Fighter & The Kid" podcast. http://bryancallen.com

Natasha Leggero is a comedian, known for her appearances on the Comedy Central Roasts of James Franco & Justin Bieber. Her new show "Another Period" premieres on Comedy Central June 23rd.

Alex Winter is a filmmaker and actor known best as Bill S. Preston, Esquire, from the "Bill & Ted's Excellent Adventure" franchise. His latest film "Deep Web" tells "the untold story of Bitcoin and The Silk Road" and is available on May 31...

Joe is joined by Aubrey Marcus, Eddie Bravo & Brendan Schaub to watch the fights on May 16, 2015.

Dominic Monaghan is an English actor, known for his role in "The Lord of the Rings" trilogy and on the tv show "LOST" He also has a wildlife documentary series called "Wild Things with Dominic Monaghan" which airs on the Travel Channel.

Garry Tonon is a World Champion jiu jitsu black belt. Eddie Bravo is a jiujitsu black belt, music producer, and author. He also hosts his own podcast called Eddie Bravo Radio. Garry will be competeing at Eddie Bravo Invitational: EBI3 on Ma...

Jim Florentine is a comedian known for hosting That Metal Show on VH1 as well as his own podcast called "Comedy Metal Midgets" available for download via iTunes & Stitcher. http://podcasts.joerogan.net

Greg Fitzsimmons is a stand-up comedian. He also hosts his own podcast "FitzDog Radio" available on iTunes and every Monday on Sirius Howard 101. http://fitzdogradio.com http://podcasts.joerogan.net

Tom Segura is a stand-up comedian, and hosts his own podcast with his wife, Christina Pazsitzky called "Your Mom's House" http://www.yourmomshousepodcast.com

Jim Norton is a stand-up comedian, radio personality, author, and actor. His latest special "Contextually Inadequate" debuts April 24 on Epix.

Sam Harris is a neuroscientist and author of the New York Times bestsellers, The End of Faith, Letter to a Christian Nation, and The Moral Landscape. His latest book "Waking Up: A Guide to Spirituality without Religion" is available now.

Dr. Dan Engle, MD is a practicing psychiatrist, board certified in psychiatry and neurology. Aubrey Marcus is writer, entrepreneur, and adventurer. Some of his writings and experiences can be found on his website, WarriorPoet.us, as well a...

Joe is joined by Eddie Bravo & Brendan Schaub to watch the fights on April 11, 2015. (Part 2 of 2)

Josh Barnett is an MMA fighter, currently fighting in the UFC Heavyweight division.

Abby Martin is an American journalist and former host of "Breaking the Set" for RT America. Check out her work at http://mediaroots.org