Academy Award-winner and comic Whoopi Goldberg joins Neil deGrasse Tyson.

Host Neil deGrasse Tyson interviews actress and neuroscientist Mayim Bialik.

Host Neil deGrasse Tyson interviews high-wire artist Phillipe Petit.

Host Neil deGrasse Tyson interviews "Back to the Future" actor Christopher Lloyd and "Dr. Who" actress Michelle Gomez.

Host Neil deGrasse Tyson interviews theoretical physicist and bestselling author Brian Greene.

Neil deGrasse Tyson interviews Robert Kirkman, creator of the comic book turned television series "The Walking Dead".

Host Neil deGrasse Tyson interviews actor Jeremy Irons and director Matt Brown.

Host Neil deGrasse Tyson interviews best-selling author Andy Weir.

Host Neil deGrasse Tyson interviews pop-culture icon Ben Stiller.

Interview - Buzz Aldrin, Comedic Guest: Iliza Shlesinger, Subject Matter Expert: Mike Massimino (Space walk that repaired Hubble Telescope).

Host Neil deGrasse Tyson features his interview with actor Terry Crews.

Host Neil deGrasse Tyson features his interview with comedian and car enthusiast Jay Leno.

Host Neil deGrasse Tyson features his interview with iconic actor William Shatner.

Host Neil deGrasse Tyson features his interview with Secretary of Defense Ash Carter.

Host Neil deGrasse Tyson features his interview with soccer goalie Hope Solo.

Host Neil deGrasse Tyson features his interview with astronomer Jill Tarter.

Neil deGrasse Tyson features his interview with NOAA Administrator Kathryn D. Sullivan.

Host Neil deGrasse Tyson features his interview with "Game of Thrones" actor Isaac Wright.

Neil deGrasse Tyson interviews jazz icons Herbie Hancock and Wayne Shorter and discusses the art and science of jazz with his studio co-hosts.

Host Neil deGrasse Tyson features his interview with comedian Bill Maher and discusses satire in society with Maeve Higgins and Dr. Alison Dagnes.