What is the climax of best Christmas pageant ever summary?

In the climax, the real Mr. and Mrs. Bradley arrive as the show has started. Despite the chaotic opening, the show gains momentum, and the audience becomes captivated. The children perform their parts admirably. Gladys, cast as the angel, surprises everyone with a beautiful singing voice and steals the show. Bob Bradley becomes teary-eyed, realizing the true spirit of Christmas and the magic of the children's performance.