Thanks Common Sense with Money for this info:
Starting today 8/22 and through October 10th you can sign up to get a coupon in the mail for a free Cesar Bistro Entree. There are 1,500 coupons to be given away every Saturday so make sure to sign up for sure early every Saturday. If you are lucky enough to live in certain city you can also bring your pooch to selected parks and beaches and get your free sample in person. Find out the area closest to you here.