The five most popular questions about the story content of 'Fjord Focus' are:

1. How do Ewan McGregor and Charley Boorman handle the unexpected closure of the Tindan Mountain Road during their journey?
2. What alternative routes do they discover when their planned path is blocked, and how do these new routes enhance their adventure?
3. What are some of the notable natural and cultural landmarks they encounter while traveling through Norway's fjords, such as Viking churches and ancient rock formations?
4. How do the challenges of motorcycle travel in remote Nordic landscapes affect their journey and friendship?
5. What moments or experiences in this episode highlight the enduring friendship and shared history between Ewan and Charley?

These questions focus on the episode's narrative elements, including travel obstacles, scenic discoveries, cultural encounters, and the dynamics of the protagonists' friendship as they explore Norway's fjord country on vintage motorcycles.