In an all-new episode of "The Great Christmas Light Fight," judge Taniya Nayak continues the holiday festivities as the Irvin, Lunar and Kopatz families battle for the $50,000 grand prize and coveted "Light Fight" trophy. 

It's the most wonderful time of the year. The Martin, Horn and Vistalli families go head-to-head for the most spectacular holiday displays in hopes of earning the $50,000 grand prize and "Light Fight" trophy as Carter Oosterhouse judges.