Troy Landry is still on the prowl despite alligator season being over. Landry teams up with local experts to field calls from family members, friends and neighbors about hostile and aggressive creatures. "Swamp Mysteries with Troy Landry" sees Landry travel to confront "El Diablo," "Garzilla," sharks, pythons, and alligators across the South using his many years of knowledge. Landry discovers the who of these creatures and the myths behind them and the first-hand account of how devastating they can really be.