Denny’s Diner Free Grand Slam Meal for Downloading Denny’s Diner Perks App – Seattle, WA and Buffalo, NY Only Brian May 28, 2014 Dining & Entertainment, Freebies, US 1 comment
Denny’s Rewards Win a Free Original Grand Slam a Week for a Year and Free Burger and Fries to the First 500,000 Registrants – Canada and US Brian Feb 10, 2010 Canada, Coupons & Deals, Dining & Entertainment, Freebies, US 4 comments
Denny’s Free Grand Slam Breakfast on February 9, 2010 from 6a.m. to 2p.m. Brian Feb 2, 2010 Dining & Entertainment, Freebies 2 comments
