Cinemark has its own version of BYOB — Bring Your Own Bucket — on Sunday. For $5, moviegoers can fill up their own container. The only limitation is that the bucket has to be 400 oz. or less.

If you love popcorn and a movie, head to your local theater to celebrate National Popcorn Day on Sunday, Jan. 19. To help you enjoy popcorn in all its savory, salty, and sweet forms, movie theaters across the U.

Harkins, Cinemark and AMC are offering discounts and freebies for National Popcorn Day on Sunday. Here's how to score the deals in Arizona.