Dads Eat FREE at Spaghetti Warehouse on Father’s Day, Sunday June 17th! Your dad has his choice of Our Incredible 15-Layer Lasagne or an Original Recipe Spaghetti Entree including our popular Spaghetti & Meatballs! No coupon is needed and this is a dine in only event! Limit two free meals per table/party. Not valid with any other offers or discounts including Groupon.