Cinergy Cinemas is celebrating National Popcorn Day by giving loyalty members a free medium popcorn. Cinergy said guests can sign up Sunday and still redeem their free popcorn. AMC Theatres will offer ...

On National Popcorn Day, all gift card purchases are 10% off online only. You can also follow Cinemark on Instagram and X, formerly Twitter, for a chance to win a free large popcorn. Harkins ...