Denny’s: Kids Eat FREE Every Tuesday from 4 p.m.-10 p.m. September 19, 2013 By Kelli This post may contain affiliate links or sponsored content, read our Disclosure Policy. At Denny’s, Kids Eat Free! Looking for a cheap family meal? Head to Denny’s where kids eat FREE every Tuesday from 4 p.m. to 10 p.m.! Ask your server for details. Restrictions may apply.