Did Discovery Channel fake the image in its giant shark documentary? Image showing Megalodon swimming past U-boats off Cape Town was doctored. Come clean, or prove me wrong Image purporting to show a giant shark swimming past German submarines. Photograph: Sharkzilla/Discovery Channel The suspicion that the Discovery Channel had abandoned its professed editorial standards was a powerful one. As I mentioned in my earlier blog , its documentary claiming that the giant shark Carchardon megalodon st