2 pounds fully cooked frozen meatballs
1 (16 ounce) bottle Catalina salad dressing
1 cup orange marmalade
3 tablespoons Worcestershire sauce
1/2 teaspoon red pepper flakes
Place frozen meatballs in the slow cooker.
In a bowl combine remaining ingredients, stir well to blend.
Pour over meatballs and stir to coat.
Cook on HIGH setting for 2 to 3 hours.