Making a good horror movie is like putting together a puzzle that, if you get every piece just right, paints a vivid picture of the viewer's painful disembowelment. Get just one piece out of whack, however -- say your final shot is of Jason Voorhees shambling away from an outhouse with a long trail of toilet paper stuck to his left boot -- and the whole thing falls apart. We scoured YouTube and found some short horror films that did everything damn nigh perfectly ... right up until they completely imploded at the last possible second.

5 Behind The Door





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The scene opens with a visibly disturbed teenage boy frantically locking the door of his house. From snippets on a handheld radio, we learn that whatever's outside is after him, and has likely already gotten his little brother. Luckily (for the boy), the unnamed monster must be invited before it can come inside. Luckily (for the monster), it has the ability to change its voice. So, assuming the voice of the young man's already ingested little bro, it tries to trick its way inside.

It's a simple premise pulled off superbly. Harrison Dowling's performance as the kid who doesn't want to face the monster outside, but also doesn't want to give up hope that it might be his little brother, manages to ratchet up the tension to 'holding in a fart on a first date' levels.

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"I knew I shouldn't have gotten double beans with that taco platter."

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But It All Falls Apart When ...

Here's how the monster behind the door ultimately gets in:

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