Fair rating?StarTalk· Season 4 · Episode 7
Katy Perry
Host Neil deGrasse Tyson joins Grammy-nominated pop star Katy Perry in Los Angeles, where Tyson answers all of her cosmic queries. In the Cullman Hall of the Universe, comedian co-host Sasheer Zamata and astrophysicist Charles Liu join Tyson to discuss science in pop culture and music.
Streaming on (US) 
See all
#1In Season 4of 5 rated episodes
#1All-timeof 25 rated episodes
+0.6vs season avgSeason 4 averages 9.4
2017First airedNovember 12, 2017
