Simply put, creatures are on the attack and looking to take over.
That's the basis for the next new episode of Terra Nova, as explained below by the show's director and a number of cast members. What do these Pterosaurs want? It's unclear. But what will Jim do to protect his family? Anything it takes.
Read our review of the Terra Nova two-hour opening and then go behind the scenes of "Instinct" now:
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