For the semi-finals, host Jesse Palmer celebrates Discovery's Shark Week by challenging the bakers to make shark bite cookie bars in the shape of beach-inspired items like surfboards, flip flops or sunglasses. Then, the bakers bravely protect their sweets from the majestic Great White by making shark cage desserts, but their bakes can't protect them from the probing critiques of judges Carla Hall, Duff Goldman and Damaris Phillips as they vie to make it into the finale.