USA,
(2016–2017), 5 h 38 min
(Length: 42–43 min)
Cast:
Seth Shostak, Mike Rowe (narrator), Michelle Thaller, Phil Plait, Lawrence M. Krauss, Kevin Walsh, Dan Durda, Christopher McKay, Max Tegmark, Alan SternVOD (3)
Episodes(8)
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The Mystery of Planet 9 (S05E01)
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Black Holes: The Secret Origin (S05E02)
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Secret History of Pluto (S05E03)
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Stars That Kill (S05E04)
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The Universe's Deadliest (S05E05)
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Life and Death on the Red Planet (S05E06)
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The Dark Matter Enigma (S05E07)
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Strangest Alien Worlds (S05E08)
Gallery (13)
The Mystery of Planet 9 (S05E01)
Photo © Discovery Channel
![How the Universe Works - Season 5 - The Mystery of Planet 9 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142926_cc72ae.jpg)
The Mystery of Planet 9 (S05E01)
Photo © Discovery Channel
![How the Universe Works - Season 5 - The Mystery of Planet 9 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142927_3e21eb.jpg)
Black Holes: The Secret Origin (S05E02)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Black Holes: The Secret Origin - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142928_981e48.jpg)
Secret History of Pluto (S05E03)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Secret History of Pluto - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142929_88095a.jpg)
Secret History of Pluto (S05E03)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Secret History of Pluto - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142930_f56e97.jpg)
Secret History of Pluto (S05E03)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Secret History of Pluto - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142931_50c897.jpg)
Stars That Kill (S05E04)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Stars That Kill - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142933_3af896.jpg)
Stars That Kill (S05E04)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Stars That Kill - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142932_4f2e07.jpg)
Stars That Kill (S05E04)
Photo © Discovery Channel
![How the Universe Works - Season 5 - Stars That Kill - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142934_900a65.jpg)
The Universe's Deadliest (S05E05)
Photo © Discovery Channel
![How the Universe Works - Season 5 - The Universe's Deadliest - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/142/163142936_bc9b19.jpg)