It's the 40-year anniversary of Duck Commander and the Robertsons celebrate with a redneck-style shindig. To top off the event, Willie decides to construct the world's largest duck call, to be revealed at the party.On the home-front, Ms. Kay is tired... (more) of the constant upkeep of their house and decides it's high time they spend some of their hard earned money on a brand new home, but house hunting is not Phil's kind of hunting.