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below.
- S1.E1 ∙ Catastrophe! Part 1: The Day the Sun Went Out
- S1.E2 ∙ Catastrophe! Part 2: How the World Changed
- S1.E3 ∙ The Lost Vikings
- S1.E4 ∙ What Happened to the Hindenburg?
- S1.E5 ∙ Cannibalism in the Canyon