Sugar Rush Christmas - Episode Guide

From edible ugly sweaters to boozy cupcakes, these creative desserts are screaming Christmas spirit. Guest judge: YouTube star Liza Koshy.

Baking teams give the gift of good taste with delicious treats inspired by Christmas trees. Guest judge: Flour Shop owner Amirah Kassem.

A caroling theme throws the contestants a curveball. But will their bakes hit a high note -- or fall flat? Guest judge: cookbook author Donal Skehan.

The bakers enter the Land of Sweets to construct "Nutcracker"-inspired whimsy. Guest judge: dancer and actress Jeanine Mason ("Roswell, New Mexico").

Christmas comes to the kitchen in three rounds of Santa-themed baking. Guest judge: actress Tiffani Thiessen ("Saved by the Bell," "Alexa & Katie").

The competition heats up with a wintry theme that sparks festive sweets and icy-cold flavors. Guest judge: Olympic ice dancer Meryl Davis.

Christmastime is here with heartwarming treats inspired by Charlie Brown's beloved holiday special. Guest judge: Olympic figure skater Adam Rippon.

The judges don matching pj's for a Christmas countdown complete with an interactive Advent calendar cake. Guest judge: NBA champion Chris Bosh.

From mystery ingredients to secret Santas: A gift theme keeps the teams on their toes. Guest judge: chocolatier and pastry chef Valerie Gordon.

A frosty North Pole theme brrrings out the best in the contestants' creativity. Guest judge: actor, musician and cookbook author Sasha Pieterse.

Christmas carols fill the "Sugar Rush" kitchen with festive flavors and pitch-perfect confections. Guest judge: singer and actor Jordin Sparks.

Teams turn out edible ornaments, wreaths and more in a trio of Christmas decor-themed challenges. Guest judge: actor and musician Abigail Breslin.