If you have a Petco Pals Card (you can sign up for FREE here), be sure to head over here to print a coupon valid for a FREE 5.5 oz. can of Friskies or 3 oz. can of Fancy Feast Cat Food (up to a $1.29 value!). Note that this coupon is good through 5/31/13, in-store only.
(Thanks, Free Stuff Times!)