Did the civilians manage to find a way to get the world back under control?
That was the main question on Zoo Season 2 Episode 1 as the group fought to save Jamie and a leopard with DNA that may hold the key to curing the animal crisis.
Meanwhile on this addictive CBS drama, a shocking mutation was discovered which put the world in more danger than ever.
One of the team members was at risk of the shocking mutation, but was there a cure?
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.