10 minutes each episode that covers every week of the war, still not finished. And many specials! In short, a lot of videos.
https://www.youtube.com/channel/UCUcyEs ... 69RRVhRh4A
The better thing is that has subtitles incorporated, so you not have to hear him talking continuously if you do not want to Though not available for every episode in your language.
Read it in the blitz forum.