Who Built Supervillain Island?

S02E04 - Airdate: 2016-02-16

* 8/10

Runtime: 60 min

A satellite spots a set of huge arrows in the badlands of the American west. A blood red waterfall stains Antarctica's snows. A plague of huge holes in the Siberian landscape. Just what on earth are they?

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Episode details and rating from TVmaze.