Hosts James and Oliver Phelps ask the nine baking pairs to create a magical piece that shows their love for Harry Potter.

The teams are in Gringotts Wizarding Bank, where James and Oliver Phelps ask the bakers to create 3-foot showpieces inspired by the bank's main hall, tunnels and vaults.

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.

Hosts James and Oliver Phelps challenge the baking teams to create a 3-foot-tall showpiece inspired by Hogwarts' Forbidden Forest, and `Harry Potter' alumna Evanna Lynch joins the judges.

James and Oliver Phelps ask the bakers to create a 4-foot-tall showpiece inspired by Albus Dumbledore's office items. Harry Potter alumna Bonnie Wright joins judges Carla Hall and Jozef Youssef to decide which teams advance to the final showdown.

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