Can the Time After Time stars, who were nearly unrecognizable with facial hair, recognize other actors by only seeing their facial hair?
Season 2, Episode 5
February 3, 2016
The Geological impact of humans is examined.
Season 2, Episode 4
January 27, 2016
Staged fire is spotlighted.
Season 2, Episode 3
January 20, 2016
The impact of the Himalayas on new wind patterns is examined. Also: how giant wind swirls made a land infertile.
Season 2, Episode 2
January 13, 2016
Examining how African tribes found water underground in the desert and the impact it had on their food supply and economy.
Season 2, Episode 1
January 6, 2016
The second season of the five-part series brings Iain Stewart to the Earth's crust to examine the Naica crystal cave in Mexico.
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