If you don't have visions of sugarplums dancing in your head yet then you need to watch:
Night of the Hunter (dir. Charles Laughton, 1955; USA)
Santa Claus Conquers the Martians (dir. Nicholas Webster, 1964; USA)
The Snowman (dir. Dianne Jackson & Jimmy T. Murakami, 1982; UK)
Gremlins (dir. Joe Dante, 1984; USA)
Die Hard (dir. John McTiernan, 1988; USA)
The Nightmare Before Christmas (dir. Henry Selick, 1993; USA)
Eyes Wide Shut (dir. Stanley Kubrick, 1999; UK/USA)
Children of Men (dir. Alfonso Cuarón, 2006; USA/UK/Japan)
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