Chow down at this 12th annual oyster roast to benefit Pet Helper’s mission to assist adoptable pets in the Lowcountry. Feast on all-you-can-eat local oysters provided by Lowcountry Fatboy’s Cooking and place a bid in the silent auction. Don’t forget to bring your dog along for an evening of good food and family fun. Visitor Center Bus Shed, 375 Meeting St. Saturday, 7pm. $35; $15 child under 13. (843)795-1110, www.shuckyourpawsoff.com