Episode 4

The Mattos family displays a vibrant, fully custom light show in their Apricot orchard, incorporating original music and homemade yet high tech digital artwork in San Jose, California; the Martel family decks out their front and back yard with shimmering lights, a high speed Ferris wheel, little houses with hidden elf scenes, and more for their 33rd year in Hamilton, New Jersey; the Irizarry-Serrano family displays a mystical "City of Lights" with breath-taking DIY elements in Lake Mary, Florida; and the Doody family transforms their home into the Vegas strip, featuring a custom Las Vegas sign, a massive fountain, and a light show in Las Vegas, Nevada. Judge Taniya Nayak makes the decision.