1Lance Armstrong
Neil deGrasse Tyson features his interview with Lance Armstrong and discusses the science of cycling with Scott Adsit, Max Glaskin, and Arthur Caplan.
2Kareem Abdul-Jabbar
Neil deGrasse Tyson features his interview with Kareem Abdul-Jabbar and discusses the science of basketball with Chuck Nice and Charles Liu.
3Jane Goodall
Neil deGrasse Tyson features his interview with Jane Goodall and discusses chimpanzee behavior with Chuck Nice and Jill Pruetz.
4Katie Couric
Neil deGrasse Tyson features his interview with Katie Couric and discusses the intersection of science and journalism with Eugene Mirman and Jeff Jarvis.
5Kevin Smith
Neil deGrasse Tyson features his interview with Kevin Smith and discusses science fiction and the science of superheroes with Chuck Nice and Charles Liu.
6SciFi Meets National Defense
Host Neil deGrasse Tyson features his interview with former head of DARPA Arati Prabhakar.
7Katy Perry
8Sylvia Earle, Fabien Cousteau & Adrian Grenier
9James Cameron
10Celestial Navigation
11Salman Rushdie
Neil deGrasse Tyson interviews Salman Rushdie and explores the science of storytelling with comedian Eugene Mirman and literary scholar Jonathan Gottschall.
12Interstellar Space Travel
Neil deGrasse Tyson features his interview with Mae Jemison and discusses the challenges of interstellar travel with Godfrey and Lawrence Krauss.
13Alan Alda
Neil deGrasse Tyson features his interview with Alan Alda and discusses science communication with Matt Kirshen and Heather Berlin.
14Stephen Colbert
Neil deGrasse Tyson features his interview with Stephen Colbert and discusses the intersection of science and comedy with Adam Conover and Sophia McClennen.
15True Story of Hidden Figures
Host Neil deGrasse Tyson interviews author Margot Lee Shetterly ("Hidden Figures: The American Dream and the Untold Story of the Black Women Mathematicians Who Helped Win the Space Race") and actress Janelle Monáe, who starred in the movie.
16Sam Harris and the Science of Belief
Neil deGrasse Tyson interviews neuroscientist Sam Harris, and discusses everything from free will to religion with Godfrey and Andrew Newberg.
17Frank Oz and the Science of Puppeteering
Neil deGrasse Tyson features his interview with puppeteer Frank Oz, then discusses puppets in pop culture and the people "behind the curtain" with Adam Conover and Charles Liu.
18Kelly Slater and the Science of Surfing
Neil deGrasse Tyson features his interview with surfer Kelly Slater, then discusses the science of surfing with Chuck Nice and William Finnegan.
19Astronaut Scott Kelly
Host Neil deGrasse Tyson features his interview with astronaut Scott Kelly.
20Stephen Hawking
Host Neil deGrasse Tyson interviews world-renowned physicist Stephen Hawking.