TV Swamp Mysteries with Troy Landry - Season 3 Episode 5 : What Lies Beneath Swamp Mysteries with Troy Landry - Season 3 Episode 5 : What Lies Beneath 7.8/10 by 4 users Troy's grandsons report strange bites on their legs while swimming at a beloved swimming hole. Concerned, Troy investigates, enlisting the help of his friend, Don, to track down the mysterious culprit. Troy and Don soon find themselves face-to-face with a creature hidden deep below the water's surface. Details Casts Posters Images Title Swamp Mysteries with Troy Landry - Season 3 Episode 5 : What Lies Beneath Alternative Titles First Air Date 2018-06-07 Last Air Date 2025-04-24 Number of Episodes 20 Number of Seasons 3 Genres Documentary, Reality, Networks History, Casts Plot Keywords , Episodes List Swamp Mysteries with Troy Landry Season 3 :Episode 1 Return for Bayou Gold Return for Bayou Gold 2025-02-27 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 2 Graveyard Hogs Graveyard Hogs 2025-03-06 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 3 Vanishing Gators Vanishing Gators 2025-03-13 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 4 Cypress Swamp Treasure Cypress Swamp Treasure 2025-03-20 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 5 What Lies Beneath What Lies Beneath 2025-04-03 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 6 Buried Secrets Buried Secrets 2025-04-10 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 7 Rest In Peace Rest In Peace 2025-04-17 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures. Swamp Mysteries with Troy Landry Season 3 :Episode 8 Missing Marsh Menace Missing Marsh Menace 2025-04-24 Troy Landry's wild chase to help save America from hostile, menacing and often mysterious creatures.