A McDonald's Filet-o-Fish stacked atop its blue box - Robson90/Shutterstock The Filet-O-Fish was the first addition to the ...

The first McDonald's Filet-O-Fish was created by a Cincinnati franchisee to serve Catholic customers during Lent.

A gross surprise may lurk in your Filet-O-Fish sandwich. But it's normal, and a good sign it's a healthy fish. Here's what to ...

Today, the McDonald's Filet-O-Fish is a beloved part of the menu, but it's undergone major changes, including a switch away ...

Despite the Filet-O-Fish being a popular item at McDonald's, it's not a favorite of the company itself. Reportedly, the founder never wanted fish on the menu.

McDonalds has always been an innovator when it comes to fast food advertising, so we set out to find which Filet-o-Fish commercials were the most enticing.

During Lent and Friday fish traditions, fast-food chains roll out limited-time fish sandwiches that promise quick, affordable ...

'You learn something new every day,' said one person.