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Sunday, July 21, is National Ice Cream Day, and there are a lot of opportunities to eat this summer staple for free or at a hefty discount.

At Baskin-Robbins you can get two pre-packed quarts of any flavor ice cream-including their Stranger Things Scoops Ahoy flavor and their USS Butterscotch for just $7.99.

If you don’t feel like leaving the house, but still want to celebrate then DoorDash has you covered. Order Baskin-Robbins through DoorDash to get a free 4-ounce scoop with $0 delivery fee on orders $10 or more with the code FREESCOOP. And if you miss National Ice Cream Day, you can still score scoops for just $1.70 and two pre-packed quarts for $7.99 on July 31st.

Carvel is marking the occasion by offering a BOGO (buy one get one) deal. If you snag an ice cream cone or cup of any size and any flavor soft ice cream, your second one will be free. Also don’t forget about the BOGO Sundaes every Wednesday, when you buy one ice cream sundae your second one is free.

Cold Stone Creamery fans can score a BOGO coupon—as long as they’re signed up to My Cold Stone Club Rewards by July 20. On the 21st only, there’ll also be a gift card special you can take advantage of: Buy $30 in gift cards online and receive a $10 e-card for yourself.

Halo Top, the low-calorie ice cream, is teaming up with Bumble and giving away coupons for free Halo Top Pops (while supplies last).

Don’t let your furry friends miss out on all the fun! There will be free dog-friendly ice cream at all PetSmart PetsHotel locations from July 20-21.