Neil deGrasse Tyson features his interview with Katy Perry and discusses the answers to some of Perry's "Cosmic Queries" with Sasheer Zamata and Charles Liu.
s04e01 - Lance Armstrong
s04e02 - Kareem Abdul-Jabbar
s04e03 - Jane Goodall
s04e04 - Katie Couric
s04e05 - Kevin Smith
s04e06 - SciFi Meets National Defense
s04e07 - Katy Perry
s04e08 - Sylvia Earle, Fabien Cousteau & Adrian Grenier
s04e09 - James Cameron
s04e10 - Celestial Navigation
s04e11 - Salman Rushdie
s04e12 - Interstellar Space Travel
s04e13 - Alan Alda
s04e14 - Stephen Colbert
s04e15 - True Story of Hidden Figures
s04e16 - Sam Harris and the Science of Belief
s04e17 - Frank Oz and the Science of Puppeteering
s04e18 - Kelly Slater and the Science of Surfing
s04e19 - Astronaut Scott Kelly
s04e20 - Stephen Hawking
Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to 'keep looking up'.