This is the quintessential Christmas movie that everyone has seen or should see. George Bailey (James Stewart) has seen his life's dreams dashed one after another, and in a moment of despair, contemplates taking his own life. An angel is sent to show George just how different the world would be if he were never born. Check out this timeless classic directed by Frank Capra and starring James Stewart and Donna Reed.
It's a Wonderful Life (1946, PG) is available as a part of the binge box called "A Classic Christmas Collection" which also includes Christmas in Connecticut, Miracle on 34th Street, A Christmas Carol, and White Christmas.
Also, take a look at our list of Family Christmas Movies.