How the Universe Works - Season 5

Season 5
Episodes

Mystery of Planet 9
Scientists have discovered a mysterious ninth planet ten times the size of Earth on the very edge of our solar system; this strange world could have moons with extraterrestrial life.

Black Holes: The Secret Origin
Recent evidence could explain how supermassive black holes grow so big; neither dark matter nor cannibalism can fully explain these beasts, but the latest science may finally provide an answer.

Secret History of Pluto
First close-up images of Pluto revealed the unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life.

Stars That Kill
Exploring the real-life Death Stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest stars; vampire stars; supernovas; rogue stars.

The Universe's Deadliest
The universe is a dangerous place, explore the deadliest spots in the cosmos; between earth and the edge of the universe, there are a million ways to die, and our crash test dummy is on a mission to reveal the worst.

Life and Death on the Red Planet
Life once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back as it transforms from a watery world like Earth into a desert planet.

The Dark Matter Enigma
Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.

Strangest Alien Worlds
Discoveries of new planets have revealed countless worlds much stranger than Earth. Some of these strange worlds don't have stars, others are made out of diamonds. Will we ever find a planet like Earth, or are these distant worlds stranger than fiction?
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Fire Country
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Elsbeth
Elsbeth follows Elsbeth Tascioni, an astute but unconventional attorney who utilizes her singular point of view to make unique observations and corner brilliant criminals alongside the NYPD. After leaving her successful legal career in Chicago to tackle a new investigative role in New York City, Elsbeth finds herself jockeying with the toast of the NYPD, Captain C.W. Wagner, a charismatic and revered leader. Working alongside Elsbeth is Officer Kaya Blanke, a stoic and ethical officer who quickly develops an appreciation for Elsbeth's insightful and offbeat ways.

Watch What Happens Live
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Reacher
Reacher follows Jack Reacher, a veteran military police investigator who has just recently entered civilian life. Reacher is a drifter, carrying no phone and the barest of essentials as he travels the country and explores the nation he once served. When Reacher arrives in the small town of Margrave, Georgia, he finds a community grappling with its first homicide in 20 years. The cops immediately arrest him and eyewitnesses claim to place Reacher at the scene of the crime. While he works to prove his innocence, a deep-seated conspiracy begins to emerge, one that will require Reacher's keen mind and hard-hitting fists to deal with. One thing above all is for sure: They picked the wrong guy to take the fall.