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.
“Most of today's black convicts have come to understand that they are the most abused victims of an unrighteous order.”
“It's amazing how quickly people on the internet can pick something up, but it's also amazing how quickly they can drop it.”