We kick off Shark Week with our 5 Essential Shark movies! Which will make the list?Discovery Channel's Shark Week begins this week, and to get the ball rolling Jeff, Dan, and Alex compile their list of the essential shark movies. It is a brand new segment called TRSentials. Sure, Jaws is on the list, but what will round out their picks? Can the guys come to a consensus on what makes the very best of the best in shark related film entertainment?