This Sunday at 10 p.m. Eastern, the National Geographic Channel rolls out its latest look at a distinct subculture of badass men. Wicked Tuna documents the lives of Gloucester, Massachusetts, fishermen hot on the trail of the bluefin tuna, an elusive beast that can fetch us much as $20,000. As you might imagine, the competition is fierce, things can get ugly, and audio can get bleeped. In this clip from the first episode, Captain Bill Monte shows exactly what we mean.