To celebrate National Pizza Day, Baskin Robbins will be offering up FREE Slices of Sweetheart Polar Pizza on February 9th! No coupon required, just stop by any participating location on from 3PM - 7PM to try a sample. The Sweetheart Polar Pizza is made with a heart-shaped Double-Fudge Brownie crust topped with Love Potion #31 Ice Cream, fudge brownie pieces, marshmallow topping and festive heart quins.