How to Kill Your Family On Christmas is a Horror, Mystery, Family, Comedy film that follows a pair off their rocker grandparents kidnap a 8th grader to present as a Christmas gift for their daughter and her husband. The preteen picks off the whacked out family one by one after being manipulated by the teen daughter of the couple. How to Kill Your Family On Christmas is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of horror movies may also want to explore similar titles below.