The most popular Christmas movie is "It's a Wonderful Life", released in 1946. It stars James Stewart as a man who has lost his will to live and is visited by an angel who shows him what life would be like if he had never existed. The film has become a classic of the holiday season, with its messages of hope, redemption, and the importance of family and community. Other popular Christmas movies include "A Christmas Story", "Elf", "The Polar Express", and "Home Alone".