In the climax of the film, the two main characters, Steve Finch (played by Matthew Broderick) and Buddy Hall (played by Danny DeVito), have been engaged in a competitive rivalry to create the most extravagant Christmas light display in their neighborhood.
As Christmas Eve approaches, their competition escalates to absurd levels, with both men going to great lengths to outshine each other. The entire town becomes involved in their antics, leading to chaos and hilarity.
In the final scenes, Steve and Buddy realize the folly of their feud and the importance of friendship and community during the holiday season. They come together to put on a joint Christmas light display, combining their efforts and spreading joy to their neighbors.
The film ends with a festive celebration, as the entire neighborhood gathers to admire the spectacular light display and enjoy the holiday spirit. Steve and Buddy reconcile their differences, realizing that the true meaning of Christmas is not about winning competitions but about coming together with loved ones and spreading goodwill.
Overall, the ending of “Deck the Halls” delivers a heartwarming message about the importance of friendship and unity, wrapped up in a festive and comedic holiday package.