More at Vox.com: "Shark week is once again making things up" http://www.vox.com/2014/8/11/5991961/shark-week-is-once-again-making-things-up Shark Week used to be educational. Now it's filled with fake documentaries about "Megalodon" and "Submarine." Here's what you need to know before you watch The Discovery Channel series. Subscribe to our channel! http://www.youtube.com/subscription_center?add_user=voxdotcom