Following is a transcript of the video. Narrator: With more than 42,000 restaurants in over 100 countries, Subway has the most locations of any fast-food chain on the planet. And at first ...

But it hasn't always been like this. In the '80s, '90s, and early 2000s, Subway was expanding rapidly, becoming the world's largest fast-food chain in terms of locations. Despite its recent issues ...