The Relvas family creates a Swiss Alps Christmas town with over 400 figurines in Ladera Ranch, California; the Christensen family showcases their "Frozen" inspired holiday display and waterfall of lights in Citrus Heights, California; the Clark famil... (more)y presents a display of seven themed areas from LED palm trees to a whimsical forest in Clarksburg, California; and the Berndt family puts on an interactive display featuring a working train, penguin slide, and giant claw lift that distributes presents to the children in Santa Rosa, California. Judge Carter Oosterhouse make the decision.