The Universe (2007 – 2015)

2007 • 9 seasons • Documentary • TV-14

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On August 9, 2026

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Episode 5 — Worst Days on Planet Earth

Name: Episode 5 — Worst Days on Planet Earth
Released: 2011-11-29
Duration: 45 min
Cast: David Ackroyd, Erik Thompson

Season 6 • The Universe

Released: 2011-11-29 • Documentary

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Earth may seem like the most hospitable planet in the solar system. But look again. Startling new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined. Stand on the Earth billions of years ago as a primitive planet slams into it. Shiver as our entire globe is frozen over like a gigantic snowball. Feel the heat as mammoth volcanoes scorch the landscape and darken the sky. From a cosmic gamma ray burst frying away the ozone layer to an Everest-size asteroid slamming into the ocean, we'll reveal new information about how these unparalleled events drove life to the brink of total extinction. Out of this continuous devastation, how has our planet--and life--got to where it is today? Are the worst days behind us--or lurking in the distant future?

Where to Stream Episode 5

Season 6 · Episode 5 · Streaming in USA

HISTORY Vault Apple TV Channel

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Episodes

Episode 1
Catastrophes that Changed the Planets
2011-10-25

Episode 2
Nemesis: The Sun's Evil Twin
2011-11-01

Episode 3
How the Solar System was Made
2011-11-08

Episode 4
Crash Landing on Mars
2011-11-22

Episode 5
Worst Days on Planet Earth
2011-11-29

Episode 6
UFO: The Real Deal
2011-12-13

Episode 7
God and the Universe
2011-12-20

Information

Episode air date	29.11.2011
Episode runtime	45 min
Episode rating	0.00
Genres	Documentary
TMDB series rating	7.9
IMDb series rating	8.6
Series status	Ended
Age rating	14+
Country	US

Cast

David Ackroyd

Erik Thompson

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