Lucia Calonge

Hosts and judges Valerie Bertinelli and Duff Goldman ask 12 kid bakers to pay homage to the brilliant transformation of the butterfly by making colourful carved butterfly cakes; after judging, one baker must leave the competition.

Valerie Bertinelli and Duff Goldman ask 11 young bakers to use three snack items -- potato chips, pretzels and chocolate candies -- in one delicious kitchen sink dessert; in the end, one baker will go home.

Valerie Bertinelli and Duff Goldman divide the 10 young bakers into two teams for a good old-fashioned chocolate vs peanut butter throwdown; to up the stakes, the winner of the challenge will earn immunity from elimination for their entire team.

Hosts and judges Valerie Bertinelli and Duff Goldman ask the final three bakers to make a championship-worthy, two-tiered cityscape cake that captures the quintessential sights of an iconic city: San Francisco, New York City or Washington DC.

Hosts and judges Valerie Bertinelli and Duff Goldman ask the young bakers to create grilled dessert imposters with side dishes like ribs and mac 'n' cheese or hot dogs and baked beans. The least successful baker goes home.

Valerie Bertinelli and Duff Goldman ask the nine kid bakers to turn miniature cookies and chocolate-covered dried fruit or nuts into cookie cereal; one baker is eliminated.