Ethan Nadelmann is the founder and executive director of the Drug Policy Alliance, a New York City-based non-profit organization working to end the War on Drugs. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Mark Bell is an elite powerlifter and owner of Team Super Training Gym in Sacramento, CA. Chris Bell is a writer, director, and filmmaker known for the documentary "Bigger, Stronger, Faster" and his new documentary called "Prescription Thugs" premieres in the fall. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Gad Saad is Professor of Marketing & Concordia University Research Chair in Evolutionary Behavioral Sciences and Darwinian Consumption and author of "The Evolutionary Bases of Consumption" and "The Consuming Instinct" Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe is joined by Brendan Schaub, Bryan Callen, and Eddie Bravo to watch the fights on August 8, 2015. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Steven Hassan is an American licensed mental health counselor who has written extensively on the subject of cults. Learn more about your ad choices. Visit podcastchoices.com/adchoices

"Call Me Lucky" is a documentary about the life and traumatic childhood experiences of Boston stand up comedy legend Barry Crimmins that was directed by Bobcat Goldthwait. Limited release in theaters starts August 7, visit http://callmeluckymovie.com to a screening. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Jonathan Ward is the owner of ICON and a designer and creator of coach-built premium automobiles. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Josh Zepps is the host of #WeThePeople LIVE, available on Spotify and at http://wtplive.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Esther Ku is a stand up comedian, and is also known from the MTV shows "Girl Code" and "Wild 'N Out" Learn more about your ad choices. Visit podcastchoices.com/adchoices

Kirik Jenness & Chris Palmquist run the premiere martial arts website on the internet. http://mixedmartialarts.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Nick DiPaolo is a writer and stand up comedian. His latest special “Another Senseless Killing” is available now at http://www.nickdipaolo.com. Adam Lowery is a master of mental health and life transition specialist. More information about his work is available at http://www.adamlowery.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Dr. Rhonda Patrick is a Ph.D in biomedical science and expert on nutritional health. Her podcasts and other videos can be found at FoundMyFitness.com http://www.youtube.com/user/FoundMyFitness Learn more about your ad choices. Visit podcastchoices.com/adchoices

Brendan Schaub is a mixed martial artist and also a former college & pro football player. Bryan Callen is an actor and stand-up comedian. Together they host "The Fighter & The Kid" podcast available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Michael A. Wood, Jr. is a retired Baltimore police officer and veteran of the USMC. He recently made the news for publicly speaking out against police brutality and has become a proponent of a new era of policing. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joey “CoCo” Diaz is a Cuban-American stand up comedian and actor. Joey also hosts his own podcast called “The Church of What’s Happening Now”, available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Jon Ronson is a writer and documentary filmmaker whose works include the best-selling The Men Who Stare at Goats. His latest book So You've Been Publicly Shamed is available to purchase now on Amazon. http://www.jonronson.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Kurt Metzger is a comedian, actor and writer. He also has a podcast called "Race Wars" he co-hosts with comedian Sherrod Small available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Duncan Trussell is a stand-up comedian, and host of his own podcast “The Duncan Trussell Family Hour” available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Neal Brennan is a stand-up comedian, actor, writer, director and producer. He is known for co-creating and co-writing "Chappelle's Show" with Dave Chappelle. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe is joined by Brendan Schaub, Bryan Callen, and Tony Hinchcliffe to watch the fights on June 20, 2015. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Vinny Shoreman is a mind coach and kickboxing & muay thai commentator and coach. http://www.vinnyshoreman.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Rutledge Wood is one of the hosts of Top Gear on History Channel. He also works as a reporter for NBCSports & NASCAR on NBC. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Jim Florentine is a comedian known for hosting That Metal Show on VH1 as well as his own podcast called "Comedy Metal Midgets." Learn more about your ad choices. Visit podcastchoices.com/adchoices

Dean Delray is a stand up comedian. He has his own podcast called "Let There Be Talk". Learn more about your ad choices. Visit podcastchoices.com/adchoices

Greg Fitzsimmons is a stand-up comedian. He also hosts his own podcast "FitzDog Radio" available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Corey Knowlton is an international hunting expert, known recently for winning a $350,000 auction to kill a black rhino in Namibia. He is also known for working with hunter Jim Shockey on television shows "The Professionals" and "Uncharted". Learn more about your ad choices. Visit podcastchoices.com/adchoices

This episode is only available as audio. Joe and Cameron Hanes recorded a podcast in a car while returning from a recent hunting trip. Cameron Hanes is a bowhunting athlete, “training intensively each and every day to become the Ultimate Predator.” Learn more about your ad choices. Visit podcastchoices.com/adchoices

Bryan Callen is an actor and stand-up comedian, and together with Brendan Schaub he also hosts "The Fighter & The Kid" podcast available on Spotify. http://bryancallen.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Kevin Folta is a land-grant scientist exploring ways to make better food with less input, also learning and teaching how to effectively communicate science to the public. He is also a professor in and chairman of the Horticultural Sciences Department at the University of Florida, Gainesville. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Rich Vos is a stand up comedian. He and his wife, Bonnie McFarlane, have a documentary "Women Aren't Funny" available now on iTunes. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Ricky Schroder is an actor and film director. He debuted in the 1979 hit film The Champ, going on to become a child star on the sitcom Silver Spoons. His latest work is a docu-series called "The Fighting Season". Learn more about your ad choices. Visit podcastchoices.com/adchoices

Jordan Gilbert is a professional gamer better known as "c9n0thing" on the internet. He is currently best known for playing Counter Strike: Global Offensive and can be seen streaming his gameplay at http://www.twitch.tv/n0thingTV Learn more about your ad choices. Visit podcastchoices.com/adchoices

Nick Curson is a strength and conditioning coach known for working with UFC World Champion Rafael Dos Anjos and Russian boxer Ruslan Provodnikov. http://www.speedofsport.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Jonathan Gottschall is an American literary scholar specializing in literature and evolution. He teaches at Washington and Jefferson College in Pennsylvania and his latest book, The Professor in the Cage, is available now. http://jonathangottschall.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe is joined by Aubrey Marcus, Eddie Bravo & Brendan Schaub to watch the fights on May 16, 2015. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe is joined by Aubrey Marcus, Eddie Bravo & Brendan Schaub to watch the fights on May 16, 2015. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Adam Scorgie is an independent filmmaker, most commonly known for his work on The Culture High, The Union: The Business Behind Getting High & Ice Guardians. http://www.theculturehigh.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Dom Irrera is a stand up comedian, and also hosts his own podcast called "Dom Irrera Live from The Laugh Factory" available on Spotify. http://www.domirrera.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

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 as links to his latest venture, Onnit Labs. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe Schilling is an American Muay Thai kickboxer and MMA fighter who competes in the super middleweight and light heavyweight divisions. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Brad Williams is an actor and stand-up comedian. Brad has a new special airing May 8 on Showtime called "Brad Williams: Fun Size" and he also hosts his own podcast called "About Last Night." Learn more about your ad choices. Visit podcastchoices.com/adchoices

Big Jay Oakerson is a stand up comedian and he also hosts his own show "Legion of Skanks Podcast" available on Spotify. http://bigjaycomedy.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Rich Roll is a plantpowered wellness advocate, bestselling author, ultra-athlete and host of "The Rich Roll Podcast," available on Spotify. http://www.richroll.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

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. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Greg Proops is a stand-up comedian, also well-known for his improv comedy on the show "Whose Line is it Anyway?". He currently hosts his own podcast called "The Smartest Man In The World", available on SPotify, and has a new book available in May 2015 called "The Smartest Book In The World". Learn more about your ad choices. Visit podcastchoices.com/adchoices

Aubrey de Grey is an English author and theoretician in the field of gerontology and the Chief Science Officer of the SENS Research Foundation. http://sens.org/ Learn more about your ad choices. Visit podcastchoices.com/adchoices