Explore the intersection of science fiction and national defense inside the high-tech government agency developing America’s top-secret weapons of the future with Neil deGrasse Tyson, co-host Chuck Nice, former DARPA Director Arati Prabhakar, journalist Sharon Weinberger, and roboticist Hod Lipson.

Bill Nye, co-host Eugene Mirman, space activist Ariel Waldman, SF Sketchfest co-founder Janet Varney, and comedian Claudia O’Doherty are back to finish their chat on citizen science, space exploration, Science Hack Days, and more, as we revisit Part 2 of our live show at SF Sketchfest 2017.

Grab your board, apply your sunscreen, and get ready to find the perfect wave – re-visit the science of big wave surfing featuring Chuck Nice, Gary O’Reilly, NASA oceanographer Bill Patzert and pro surfer and the first female Big Wave World Champion, Paige Alms.

Extraterrestrials, prisms, music, scientific curiosity, the pursuit of knowledge, and more – Neil deGrasse Tyson and pop music superstar Katy Perry discuss their shared love of the universe. Featuring comic co-host Sasheer Zamata and astrophysicist Charles Liu.

NEW: Discover more about comets, asteroids, and the upcoming Psyche mission from All-Stars host and cosmochemist Natalie Starkey, first time comic co-host Mo Welch and Psyche mission architect and JPL Project Systems Engineer David Oh.

Ollies, half-pipes, and Chuck’s skateboarding youth – Rediscover the physics of skateboarding with Gary O’Reilly, Chuck Nice, 2x US Master’s Champion Bill Robertson PhD, aka Dr. Skateboard, and former pro skateboarder and snowboarder Othello Clark.

Dive deep into oceans terrestrial and celestial as Neil deGrasse Tyson chats with oceanographer Sylvia Earle, aquanaut Fabien Cousteau, co-host Scott Adsit, ocean conservationist Laure Katz, actor/environmentalist Adrian Grenier, and submarine pilot Erika Bergman.

Who owns the Moon? Should we rent out the International Space Station? Is it legal to buy up land on Mars? Investigate the politics and privatization of space with Bill Nye the Science Guy and comic co-host Iliza Shlesinger as they answer fan-submitted Cosmic Queries.

Is Planet NASCAR governed by the same laws of physics as the rest of Planet Earth? Get ready to roar down the track – left turns only – as hosts Gary O’Reilly and Chuck Nice re-visit Planet NASCAR alongside our resident astrophysicist Neil deGrasse Tyson.
![Photo showing NASCAR cars under the Green flag at Daytona, 2015, by Nascarking (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons.](https://startalkmedia.com/wp-content/uploads/2017/08/Green-flag-at-Daytona-2015-by-Nascarking-Own-work-via-Wikimedia-Commons-820x570.jpg)
Investigate the convergence of exploration, innovation, and imagination with Neil deGrasse Tyson and filmmaker and explorer James Cameron. Featuring comic co-host Chuck Nice and astrophysicist and StarTalk All-Stars host Charles Liu.

Get smarter about the Mars InSight mission and Martian exploration as cosmochemist and host Natalie Starkey, comic co-host Mo Welch, and JPL Systems Engineer Farah Alibay answer fan-submitted Cosmic Queries about the Red Planet.

Go to the extremes with hosts Chuck Nice and Gary O’Reilly as they investigate the psychology of the extreme sports athlete with adventure journalist Jim Clash, neuroscientist Heather Berlin, and extreme sport psychologist Eric Brymer.
