National Popcorn Day 2026: Where to score free popcorn and deals at AMC, Cinemark and more

National Popcorn Day 2026 arrives on January 19. Movie theaters across America are celebrating with special offers. Cinemark allows customers to fill their own containers for $5. AMC provides free popcorn to pass holders. Regal offers free popcorn to those in costume. Other chains also have deals. This event provides a great opportunity to enjoy movies and popcorn for less.