Become a Chick-Fil-A insider and then go to the Chick-Fil-A spicy chicken website on Friday May 21st to reserve a free spicy chicken sandwich!
Update: Looks like the date is going to be Monday, May 24th ...info from the site:
"Make your reservation for an EXCLUSIVE premiere tasting of the Spicy Chicken Sandwich. From May 31 - June 5, Chick-fil-A is giving a limited number of FREE Spicy Chicken Sandwiches to customers who make a reservation. To make your reservation, visit this website (www.GetSpicyChicken.com) beginning Monday, May 24 and choose your preferred Chick-fil-A Restaurant location and time. The Spicy Chicken Sandwich will be added to the menu on June 7."