Sign up for an Insider account at Showcase Cinemas to claim your free small popcorn. (Photo Credit: Rebecca Capp, Charlotte Tomlinson)

January 19 marks the ‘official’ National Popcorn Day, and Showcase cinemas are offering free portions of the favourite cinema snack.

Whether you’re heading out to see the blockbuster sequel ‘Avatar: The Way Of Water’ or the brand new horror film ‘M3gan’, be sure to grab your free small popcorn if you’re an Insider member.

To become an Insider member, register online for free on the Showcase Cinemas website today. Not only do you get your free bag of popcorn, Insider members can earn rewards and buy discounted tickets for the latest films.

Head down to Showcase Cinema de Lux on Redfield Way to pick up your complimentary snack when you buy a valid ticket to see a film today.

Films currently showing in cinemas include Avatar: The Way Of Water, Whitney Houston: I Wanna Dance With Somebody and the Tom Hanks drama A Man Called Otto, with many more on offer.

If you don’t have time to take a trip to the cinema today, pick up a bag of microwave popcorn from your local shop to get involved with the celebrations and watch your favourite films at home.