0 September 28, 2016 Cinemark Theaters : Free Medium Popcorn Save at Cinemark Theaters Today: Free Medium Popcorn Valid on 9/30/16 MORE INFO Tell a friend!SharePinShareTweetEmailDownload the Cinemark app and get a coupon for a Free medium popcorn valid on 9/30/16. 0Did you catch these deals?Mozaico Coupon : 10% off Sitewide + Free Shipping code BUDDY10Ancestry.com Sale : 50% off All MembershipsDelta Beverages Coupon : 15% off Sitewide code BUDDY15