Once Upon a Time at Christmas

After a man dressed as Santa Claus brutally murders Billy Chapman's parents, little Billy then endures the cruelty of a sadistic nun at his orphanage. Years later, when adult Billy has to fill in for an absent in-store Santa, his childhood trauma brings him to the breaking point.

A relaxing Christmas vacation turns into a terrifying fight for survival as the children begin to turn on their parents.

After witnessing his parents' brutal murder on Christmas Eve, Billy transforms into a Killer Santa, delivering a yearly spree of calculated, chilling violence. This year, his blood-soaked mission collides with love, as a young woman challenges him to confront his darkness.

A detective tries to track down a masked killer who reappears every Halloween to wreak bloody havoc.

After a Black Friday riot ends in tragedy, a mysterious Thanksgiving-inspired killer terrorizes Plymouth, Massachusetts - the birthplace of the holiday. Picking off residents one by one, what begins as random revenge killings are soon revealed to be part of a larger, sinister holiday plan.