 As per Betty s suggestion, Wilma decides to put her cake recipe, the "Flint-Rubble Double-Bubble Cake" into a baking contest. Fred have doubts about this contest, until he hears that the recipe is chosen for a "bake-off", he jubilates. However, on the day where they re supposed to leave, Betty and Wilma caught the measles from a neighbor. Fred and Barney must think of a plan since these contests are only meant for housewives, especially when Fred thinks disguising as their wives is not a bad idea after all...