Judged by Taniya Nayak, the tree-mendous Christmas decor competition heats up as the Hak, Paul and Riera families put their creative skills to the test to win the $50,000 grand prize and "Light Fight" trophy. 

In this festive heavyweight special episode, Carter Oosterhouse judges displays created by Nauticus' Winterfest, Imaginarium and River of Lights, all vying for the $50,000 grand prize and "Light Fight" trophy.