Dive WWII: Our Secret History Clips

1. Watch a preview of Dive WW2 - Our Secret History

   Duration: 01:58

2. Nearly everyone in Derry had a piece of U-Boat memorabilia—Episode 2

   Duration: 03:10

3. The deadly message

   Duration: 01:58

4. U-boat discovery—Episode 1

   Duration: 00:31