About this showing of How the Universe Works
Countdown To Catastrophe. A fictional asteroid hurtles towards earth. Expert scientists follow the story, asking what will happen next - and what will we do about it.
Previously on TV
How the Universe Works
Asteroid
Previously shown on Discovery .History on Thu 10 Sep 2026 at 13:00.
This showing has ended
This showing was on Discovery .History at 13:00 on Thu 10 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .History
StartsThu 10 Sep 2026, 13:00
EndsThu 10 Sep 2026, 14:00
Episode / edition: Asteroid
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