There's a lot of ups and downs, as talented baking duos take on a challenge they never have before while creating spectacular amusement park cakes.

Two teams of bakers battle the forces of nature as Buddy challenges them with gravity-defying cakes; they must create structures that trick the eye for Mauro, Buddy, and his sister, Grace.

Two mother-daughter teams make candy cakes for Buddy, his sister Lisa and Carlo's decorator, Jessica; bakers a sugar high all the way to the finish line for one of the most surprising results of the season.

Bakers face off to make galaxy cakes; one team has an ambitious plan that they hope will launch them to victory; the other team plans an artistic, ethereal design; Buddy, Grace, and head sculptor Ralph will decide who takes the cake.

Two parent and child teams go head-to-head to create a whale without a tail and a piglet that might lose its head.