Terra Nova did not air a fantastic episode this week. The dialogue was clunky, the storylines recycled, the special effects were decent, but not enough to make up for all the flaws our critic found in "Instinct," as reviewed HERE.

With ratings already not meeting expectations, can the high-concept drama rebound?

It will attempt to do just that with "What Remains," an installment that focuses on a scary plot: a virus is breaking out in camp, erasing the memories of all it infects. Watch the official Fox trailer for it now: