The tools of special-effects artists can send a superhero/wizard/transforming car to save the day from a space alien/10ft lizard/second transforming car. Anything is possible with the right imagination. Occasionally, these same digital-effects artists are the heroes, saving a movie in a pinch.
If you've ever heard the phrase "fix it in post," you know what we're talking about. Major motion pictures often coalesce thanks to invisible tweaks, additions, and cuts made by their visual-effects teams. You don't notice them because they're never meant to be noticed. But let's pull back the curtain -- here are a few of the craziest quick-fix stories in recent Hollywood history.