StarTalk with Neil deGrasse Tyson
Season 4, Episode 7: Katy Perry
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All Episodes - Season 4
Episode 1
Lance Armstrong
Episode 2
Kareem Abdul-Jabbar
Episode 3
Jane Goodall
Episode 4
Katie Couric
Episode 5
Kevin Smith
Episode 6
SciFi Meets National Defense
Episode 7
Katy Perry
Episode 8
Sylvia Earle, Fabien Cousteau & Adrian Grenier
Episode 9
James Cameron
Episode 10
Celestial Navigation
Episode 11
Salman Rushdie
Episode 12
Interstellar Space Travel
Episode 13
Alan Alda
Episode 14
Stephen Colbert
Episode 15
True Story of Hidden Figures
Episode 16
Sam Harris and the Science of Belief
Episode 17
Frank Oz and the Science of Puppeteering
Episode 18
Kelly Slater and the Science of Surfing
Episode 19
Astronaut Scott Kelly
Episode 20
Stephen Hawking