Swamp Mysteries with Troy Landry (2018)

S03E05 What Lies Beneath

Troy's grandsons come home with unusual bite marks on their legs after a day at their favorite swimming spot. Alarmed by their injuries, Troy sets out to uncover the source of the problem, recruiting his friend Don for assistance. Together, they dive into an investigation that leads them to an unexpected encounter with a creature lurking beneath the water's depths.