Which 'Interstellar' Format Should You See? Here's a guide.

'Interstellar' is already out today in cinemas nationwide. To commemorate the release, Director Christopher Nolan made the special treat for cinema aficionados to see the movie in "film" format two days ahead on it's original date. This weekend, the sci-fi epic will be available in multiple formats: IMAX 70mm, IMAX Digital, and 35mm to name a few.

The good folks at Slate.com uploaded a handy video breaking down the difference between each, to help you decide which interests you (Protip: See it in IMAX 70mm. It's the definitive way to see this movie.

Here's also a guide chart released by Warner Bros. Pictures.