The teams return to double their gingerbread villages with shops and cafés. Guest judge Christina Tosi joins as the charm, cheer, and chaos unfold -- because it's the Olympics of gingerbread, and one team won't make it to the next round.

Host Oliver Hudson helps guide the remaining teams as they tackle their toughest challenge yet: making their gingerbread move! Guest judge D'Arcy Carden joins to help decide which teams make it to the finale, and which team goes home.

Joanna Gaines joins as guest judge to help choose the champion.