"Deadly Duo" is the 14th episode of Season 4 and the 62nd overall. It originally aired on May 16, 2013.
With Brandon gone, Troy enlists Chase to help him. Together, they are able to get some good gators in Chase's spot. Meanwhile, Jacob gains help with Marie, a neighbor. Marie and Jacob struggle at first, but they are able to get several large gators.
On Jessica's final day, her and Liz return to the monster marsh. Here they catch a massive 13 ft 7 in gator. Meanwhile Jeromy and David are hired to get a gator out of a pool, and relocate it in a nearby marsh.