Overview: From edible ugly sweaters to boozy cupcakes: Guest judge Liza Koshy
Overview: Baking teams give the gift of good taste with delicious treats inspired by Christmas trees. Guest judge: Flour Shop owner Amirah Kassem.
Overview: A carolling theme throws the contestants a curveball. But will their bakes hit a high note — or fall flat? Guest judge: cookbook author Donal Skehan.
Overview: The bakers enter the Land of Sweets to construct "Nutcracker"-inspired whimsy. Guest judge: dancer and actress Jeanine Mason ("Roswell, New Mexico").
Overview: Christmas comes to the kitchen in three rounds of Santa-themed baking. Guest judge: actress Tiffani Thiessen ("Saved by the Bell," "Alexa & Katie").
Overview: The competition heats up with a wintry theme that sparks festive sweets and icy-cold flavors. Guest judge: Olympic ice dancer Meryl Davis.