This Halloween's most frightening movie is shorter than the time it takes to find your seat in theaters.

'Tuck Me In' is a terrifying short about a father, well, tucking in his son. However, all is not as it seems. It's frightening, although we think about 99% of it is because of the music. Seriously, every good horror movie has that slow one-note piano sound. That's probably the first thing they teach you in horror film school.

Go ahead and watch. We guarantee you'll hide under the covers tonight, mortified at what's hanging out underneath.

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