Free fries at Burger King October 12-13 Oct 102013 If you're new here, you may want to subscribe to our daily email updates. Thanks for visiting!Fries are free at participating Burger King restaurants, no purchase required. The free Satisfries are handed out October 12 and October 13. The crinkle fries are promoted as lower calorie, and the offer is one per guest, while supplies allow. Sorry, the comment form is closed at this time.