Seasons & Episodes
EP 1
Killer Rocks
Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the d
EP 2
Death Ray
When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of
EP 3
Cosmic Scrap
More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these o
EP 4
Little Green Men
Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial
EP 5
Dark Star
Black holes were only theoretical until recently. And there are probably millions of them in the galaxy. Worse still, so
EP 6
Big Sleep
How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the univ
Popular Cast
Aidan Gillen
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