I mean the first 'Back to the Future' is kind of a perfect script I think in terms of handling time travel the best. It depends on your definition. To me that means it effectively uses it in the story.

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I want people to think about movies and how we watch them. Let them know it's okay to question the structure or how we're sometimes duped into a false sense of normalcy. Most of all I want people to question the old standard practices of 'This is how the structure of something should work ' or 'This is how a character must behave.'