Cinemark is celebrating National Popcorn Day on Jan. 19 with a special promotion. All you have to do is bring your own bucket to any Cinemark theater - and employees will fill it for $5. Cinemark is also offering $5 XL popcorn buckets if you choose not to bring your own container.

In honor of National Popcorn Day, Cinemark is letting you bring your own personal bucket to fill up with popcorn. But there's a catch.

Popcorn never tastes better than when you’re eating a whole lot of it in a dark auditorium with a big movie screen in front of you. And while there are times when it makes sense to get a medium (though never a small),