On a Mardi Gras scavenger hunt around New Orleans, Ellen, Becky, and Freckle encounter a mysterious, mischievous maiden who thwarts their plan to ride on their favorite float.
After Gramsy pranks Ellen, Becky, and Freckle by dressing up as the mythical Bayou Beast, Ellen becomes determined to be crowned the DeGeneres Family Prank Master by convincing Gramsy that the Beast is real.
Ellen enlists Becky, Freckle, and Gramsy to help make Tallulah and Ninni's wedding day super-special, but they struggle with the overwhelming number of tasks ahead.