Leave your rod and reel at home NGC is going inside the extreme fishing world of noodling. We'll travel overseas with an American fishing team to wrestle one of the world's biggest river beasts by hand a monster Wels catfish. It's a dangerous task, as Wels can stretch up to 15 feet long and weigh over 600 pounds! Elsewhere, fearless scientists are doing some hand fishing of their own to save a species.