Denny’s is offering Free Burger & Fries to the first 500,000 people who sign up online between 2/1 to 2/14 for the new Denny’s Rewards program. Here is a screenshot for your reference. The free burger & fries will be available from 3/1 through 3/7. Details are on page 2 of Denny’s press release.
Originally posted earlier, this deal has been revised and is just a friendly reminder.