The teams work to wow the judges with confections that bring the element of surprise; the guest judge is chef and baker Nancy Silverton.

The teams wax nostalgic with extra-sweet treats inspired by popular candies; the guest judge is gourmet chocolatier Jonathan Grahm.

The bakers rush to make winning desserts inspired by the judges' favorite holidays; the guest judge is cake designer and pastry chef Thiago Silva.

An ocean theme sends bakers into the deep to make seascapes, aquatic creatures and salty-sweet flavors; the guest judge is chef-restaurateur Richard Blais.

Geeky science-themed challenges get the creative juices flowing -- along with oozy zombie blood; the guest judge is actor and sci-fi lover Colin Hanks.

The contestants serve up sweets with summery flavors that evoke the great outdoors; the guest judge is Wet Hot American Summer creator Michael Showalter.

Fashion-forward challenges force the frazzled contestants to think outside the box; the guest judge is clothing designer Betsey Johnson.

The baking teams pour buzz-worthy ingredients like coffee, honey and alcohol into amazing edible creations; the guest judge is pastry chef Mindy Segal.

A baking competition with 4 teams, 3 rounds, 2 cakes and 1 winner of $10,000.

A baking competition with 4 teams, 3 rounds, 2 cakes and 1 winner of $10,000.