COLUMBUS, Ohio (WCMH) — This year's National Popcorn Day falls on Sunday, and lovers of the salty and sometimes sweet snack have multiple options to indulge in the popular treat. Movie theater deals for National Popcorn Day AMC TheatersLocation: Five locations in central OhioDeal: AMC is celebrating the favorite snack of movie fans by offering unlimited refills on any Jan. 19 popcorn purchase. Patrons who join the AMC Stubs reward program receive a free large refill every visit, all year long, and other benefits, according to the theater chain. CinemarkLocation: Four locations in central OhioDeal: Cinemark has designated Jan. 19 as “Bring Your Own Bucket” day. The movie house will fill customers' “buckets” from home for just $5. “Literally anything can be a bucket!” the website states. “Get creative and bring in any container, tote, or bag. We’ll load it up with the good stuff for just $5 —up to 400oz (equivalent of 2 XL popcorns).” Additionally, gift card purchases will be 10% off online only. Marcus TheatresLocation: Two locations in central OhioDeal: On Jan. 19, Marcus Theaters will give away popcorn to Magical Movie Rewards Members. Members will receive a free Junior Popcorn. Also, Ultimate Popcorn Tubs will be 50% off and fills will be free. Offers are good in-theater only. Retail deals for National Popcorn Day Al’s Delicious PopcornLocation: 1500 Bethel Road, ColumbusDeal: From Friday, Jan. 17 to Sunday, Jan. 19 customers will receive 20% off all over-the-counter and online bagged popcorn items in sizes small to extra large. The deal does not apply to custom orders. Doc PopcornLocation: 1500 Polaris Parkway, ColumbusDeal: To celebrate National Popcorn Day, Doc Popcorn will give away 12-ounce cups of Better Butter Doc Popcorn during a two-hour window on Jan. 19. Shirley’s Gourmet Popcorn CompanyLocation: Bluffton, Findlay, Lima, Maumee, and online.Deal: From Jan. 17 to Jan. 20, all Shirley's flavors are buy one, get one free. The online code is NPD2025. For store locations, Theatre Popcorn will be free all day