I was up in Maine a couple of months ago, my wife loves this diner there, The Maine Diner in Wells, ME. We spent the day at the beach, did a little fishing and were going to the diner to have her favorite dinner which is a hot turkey dinner they make.
When we got there, DD and D were filming their cameo shots for the show, Guy and his crew had been there three days filming. The sign outside said, "by entering, you give permission to be filmed for Diners, Drive-Ins and Dives."
We passed on dinner and ate elsewhere. The show aired last week I think.