Money It’s National Popcorn Day and AMC wants to butter you up with a deal. Your guide to freebies January 19, 2023 Amanda Pérez Pintado, USA TODAY Comments Off on It’s National Popcorn Day and AMC wants to butter you up with a deal. Your guide to freebies Movie theaters like AMC and Regal offer freebies and deals on National Popcorn Day, which is observed on Jan. 19.