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StarTalk with Neil deGrasse Tyson is back with more star power than ever! The three-time Emmy-nominated talk show returns on Sunday, Oct. 1, at 11/10c with 20 all-new episodes featuring mind-blowing conversations, scientific commentary and cosmic queries - all with a comedic punch. This season, hear from Katy Perry, Stephen Colbert, Lance Armstrong, Kareem Abdul-Jabbar, Jane Goodall, Stephen Hawking, Katie Couric, Kevin Smith, Sylvia Earle, Fabien Cousteau, Adrien Grenier, National Geographic Explorer-in-Residence and filmmaker James Cameron and more. This season's comedian co-hosts include Chuck Nice, Scott Adsit, Godfrey, Eugene Mirman, Sasheer Zamata and Maeve Higgins. Occasionally, Tyson calls on his friend Bill Nye the Science Guy to weigh in on the week's theme, while other influencers across pop culture and science join via live video.