Free Popcorn at Chicago Area AMC Theaters on January 13, 2014 More in Chicago: FREE 2018 Chicago Air and Water Show: Here’s What You Need to Know August 14, 2018 Free Concert This Weekend in Chicago on August 5 August 4, 2018 McDonalds is Giving Away FREE Big Macs All Year Long August 4, 2018 Are you headed to the movies and want to enjoy some great movie popcorn? Text the word BEST to the number 242424 on your cell phone to receive a coupon good for a FREE small popcorn at AMC Theaters. Coupon is good through 3/6/14. Click here to find a location near you. Related posts: No related posts.