Buy a Diner QP, get a second 50% off

Historical deal record. This offer has expired, but the original terms are kept here for reference.

National Cheeseburger Day

Buy a Diner QP burger and get a second Diner QP for 50% off on September 18 at participating Denny's. The Diner QP is also on Denny's $9.99 Triple Play menu.