BKÂ® has all new fries. Theyâ€™re hot. Theyâ€™re perfectly salted. And for one day only, theyâ€™re free. Get to a BURGER KINGÂ® December 16th to experience them. You donâ€™t want to be the one who wasnâ€™t there. No purchase necessary. One free value size French Fry per person, per visit. At participating restaurants. Offer good December 16, 2011 only. While supplies last.