Transcript for The Battle for the Best Christmas Light Display
If you care about keeping up with the joneses, don't move to decker heights. They get serious about putting up lights. It's not just about the giving spirit, there also a whole lot of money up for grabs. Here's David Wright. Reporter: If you had any doubt about it, put on your best Christmas sweater and have a gander at youtube. There's a Taylor swift house that may give you seizures. And this year, there's plenty of "Frozen." ? Let it go ? Reporter: And enough Mannheim steam roller for the whole year. And when it comes to spreading Christmas cheer, this is a nutcracker theme. Nobody outdoes this woman in Brooklyn. Those are soldiers. They were brought in here by a crane. And put in place. Because they're three pieces. Reporter: This is Christmas central. I like my whole house filled up. It's got to look like Santa's house. Reporter: You have a space there. That's not my house. Reporter: Over the years, the neighbors have caught the Christmas spirit. This was a funeral parlor until I moved here. Then it came back to life. Reporter: Now such a sensation, they bring in tour buses. Slice of Brooklyn does tours of this neighborhood. We got a private tour. There are cars lined up the block. Sadly for some of the homeowners that live here, it can take 45 minutes to get in. Reporter: What is it that separates the good from the bad? Bearing in mind that beauty is in the mind of the beholder, ABC has a new reality show coming Monday night. "The great Christmas light fight" is kind of like extreme home makeovers, Christmas edition. Families competing for a $50,000 prize. Families like the weavers, transforming their home from before to extravagant after. The judges, Sabrina Soto and Michael Maloney. We don't like a hodgepodge. Like they put their decorations in a cannon, and shot them at the house. Not so much. Look up there. Reporter: Wow. Oh, my gosh. This is like Las Vegas in Brooklyn. And one house certainly stands out. The owner, known as Sam the Greek. Yup. One of the largest houses in all of Brooklyn. Reporter: Every inch of it, twinkling with Christmas cheer. And there's lights on the house and on the plants. He puts the wires underneath the cement. Everybody is good, nobody is tripping over wires. Reporter: He's serious about his Christmas cheer. Absolutely. Reporter: Take note, all of you Clark griswolds out there. He puts up his lights all by himself. Everything sink ronized with the music. That's you every year, right? Yes. Reporter: He has some vintage ornamen ornaments, and some new ones. He made the reindeer and the sled. It's about $250, which is the same as when I run my air conditioners in the summer. Reporter: A small price to pay. I sell funeral supplies for a living. All day at work, I'm very morbid. So sorry for your loss. Then I come home, yeah, Christmas time! Reporter: And she says her display will continue long after her funeral. It's in my will. Nobody gets the house unless they decorate. It's specified. Reporter: In your will? Yes, it is. Reporter: David Wright for "Nightline," in Brooklyn. "The great Christmas light fight" starts Monday on ABC.
This transcript has been automatically generated and may not be 100% accurate.