Troy puts his new deckhand to the test, as Daniel welcomes his grandson back. Alligator Queen Liz Cavalier returns to the swamp to help cull the population.

As aggressive gators invade every corner of the swamp, Troy and Pickle chase the bulldozing monster called Freight Train before it rips the bayou to shreds. Alligator Queen Liz Cavalier returns to the swamp to help cull the population.

The gators are getting more aggressive, and they're threatening local residents; retired swamp veterans pit their skills against the predators, as they help the next generation navigate the perils of the swamp.

Swamp legends Frenchy and Gee return to the battle, but a familiar foe spoils their plans; Joey and Zak hunt a marsh full of tall grasses, and they're forced to call in aerial reinforcements to get the job done.

A record-breaking heatwave consumes the bayou. Ronnie and Ashley try to run 100 lines to take advantage of a feeding frenzy. Willie and his dad, Junior, captain separate boats to leapfrog lines and finish faster. Don invents a slow drip-device to prevent Jacob's bait from drying out. Joey and Zak hunt along the banks of a popular watering hole for thirsty cattle.

Troy and Pickle brave the breeding grounds known for aggressive female gators. Daniel teaches his grandson, Dorien, the secrets of the swamp. Ashley hunts alone for the first time while Ronnie recovers from heatstroke. Bruce chases a deadly cannibal that's ruining his favorite honey hole.

Troy and Pickle bring a special guest onboard. Joey and Zak risk it all on the hunt for the biggest alligator Joey Edgar has ever seen. Ronnie and Ashley face their darkest fears in an area known as The Cemetery. Liz and Destin face high water and a low bridge in their quest for monsters.

For the first time ever, Troy works as Pickle takes the captain's seat. Good-old-boy Don Brewer hunts gators solo. Mr. Daniel and Dorien find themselves caught in the middle of a gator feeding frenzy. Willie and his dad, Junior, fish gators together for the first time in years.

Troy and Pickle reach deep into their bag of swamp tricks to nab a horse eating gator. Dorien takes the lead to prove himself. The long season brings Willie, his son and their gear to the breaking point. Troy sends his son Chase on a special mission.

With a major storm brewing, Liz risks it all to fill her boat with gators. Ronnie and Ashley brave the weather to turn a sea wall into a gator bonanza. Zak braves the elements and goes solo for the first time ever. Daniel shows Dorien how to outsmart mother nature.

Pickle convinces Troy to try her secret gator honey hole. Ronnie and Ashley race the clock to fill their boat with monsters. Bruce faces off with a notorious area of the swamp known as The Maze. Joey and Zak seek revenge for a friend.

Troy, Pickle and the rest of the Landry clan return to a gator hunter's paradise. Frenchy and Gee make a stand in their own backyard. Willie and Little Willie put their money where their mouths are. Ronnie and Ashley go after a gator threatening a neighbor.

An unexpected cold front threatens Troy and Pickle's season, Jacob and Don shoot their way out of a tough spot, Joey and Zach use an old school trick to get gators to bite, and Liz reaches into her bag of tricks to beat the weather.

Joey and Zach go head-to-head with massive monsters and Mr. Daniel and Dorien, Ronnie uses an unexpected trick to catch a wily beast, Little Willie puts his big idea to the test.

Liz and Destin resort to old tricks, Frenchy & Gee put their partnership to the test, Bruce uses secret knowledge to try to tag out, Dorien has a big surprise for Mr. Daniel.

Troy and Pickles' tag out hangs in the balance, Don and Jacob make a big mistake, Willie and Little Willie battle to the end, Ronnie and Ashley take it down to the wire