Vikki DeLuca

The self-taught bakers have one last chance to prove themselves before merging with the classically-trained bakers; TV personality Nene Leakes joins the judges as the contestants face their toughest challenge yet.

The self-taught bakers investigate a twist on an all-time favorite sweet treat during the safety bake round; in the elimination round, the remaining bakers must figure out the correct dessert to make to avoid elimination.

The finalists have five hours to master the final mystery dessert of the season; the team that performs the best across both rounds will be crowned "Crime Scene Kitchen" champions and take home $100,000.

Five classically-trained baking teams return to the kitchen to solve two more culinary crimes, including an elimination bake with a seasonal dessert of Yolanda's choosing; the team with the poorest performance is sent home after the elimination bake.

Six classically trained baking duos scour their kitchens for clues, leading to several victories and one disappointing elimination.

The classically trained bakers go head-to-head against the remaining self-taught teams; the teams must use their detective and math skills when they compete during the elimination round; guest judge Martina McBride.