White Castle is currently running an awesome (and delicious) Sriracha Sliders special! If you buy one Sriracha Chicken Slider, you can get one Sriracha Chicken Slider or Ultimate Sriracha Chicken Slider FREE! This deal on White Castle sliders is only good through 7/15/2015. Print out your coupon and take it with you to your local White Castle. Get your FREE White Castle sliders today!