Hosts Ann Pornel and Alan Shane Lewis welcome four champion bakers from seasons past to The Great Canadian Baking Show Tent for the chance to become the Holiday Star Baker. Winners from Seasons 2 through 5 – Andrei, Nataliia, Raufikat, and Vincent – join together for three yuletide challenges. In the Signature Bake, they each must prepare a creative interpretation of Cookies and Milk in tart form to leave out for Santa Claus. Then in the blind-judged Technical Bake they're tasked with baking Sufganiyot, a deep-fried jam and custard filled donut traditional to Hanukkah. Finally, the bakers present a Show Stopping Baking Gift Exchange featuring elaborate desserts hidden inside handmade cookie boxes decorated for the season. Judges Bruno Feldeisen and Kyla Kennaley taste and deliberate on each bake to determine the winner.

Three baker finalists step into the tent to determine who will win "The Great Canadian Baking Show."

The four remaining bakers get fancy for Patisserie Week and the last chance to make it to the finale.

Five bakers awaken their senses for the first-ever Spice Week, featuring three aromatic and seasoned bakes.

It's totally tubular in the tent with the return of Old School Week as the six bakers are steeped in nostalgic bakes.

Seven remaining bakers face the inaugural Harvest Week with three bakes celebrating nature's bounty.

Eight bakers hope that bite-sized treats are their cup of tea as they enter Cookie Week.

It's Bread Week once again, and the nine remaining bakers knead to prove their bread-iness.

Ten of the country's best amateur bakers arrive at the iconic "Great Canadian Baking Show" tent to complete three "Cake Week" challenges.