1. Platform 9 3/4

Hosts James and Oliver Phelps challenge the bakers to create a 2-foot-tall showpiece with a magical effect that shares their love of Harry Potter.

2. Gringotts Wizarding Bank

The remaining baking teams create 3-foot-tall showpieces inspired by Gringotts Wizarding Bank's resplendent main hall, tunnels and vaults.

3. Diagon Alley

In a salute to Diagon Alley, hosts James and Oliver Phelps ask the baking teams to make 50 handheld desserts to feed a crowd of Harry Potter fans.

4. The Forbidden Forest

Inspired by the legendary Forbidden Forest, hosts James and Oliver Phelps challenge the teams to create a 3-foot-tall, gravity-defying showpiece.

5. Dumbledore's Office

In the semifinals, the remaining baking teams are asked to create a 4-foot-tall showpiece inspired by items in Albus Dumbledore's office.

6. The Great Hall

For the final showdown in the illustrious Great Hall, hosts James and Oliver Phelps challenge the bakers to create 6-foot-tall showpieces.