Watch Countdown To Doomsday together — synced playback, live chat and reactions. Up to 12 people.
The program features various risks to civilization, humans and planet Earth. Hosted by Matt Lauer, the documentary features 10 different scenarios that could bring an end to all life on Earth with interviews by Al Gore, Michio Kaku, Daniel H. Wilson, and others, and clips from various films and television programs.
