September 7, 2016 No Comments FREE Pancakes for Kids w/p at Denny’s in September Kids ages 10 and under can enjoy Denny’s pancakes for FREE every day in September from 4-10 p.m. with the purchase of one adult entrĂ©e at participating locations. FREE Pancakes for Kids w/p at Denny’s in September – expired Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.