Poster of Cast and Crew in Secret Army - Sound of Thunder (Season 3 - Episode 9) - Sound of Thunder

Secret Army - Season 3 - Sound of Thunder (Episode 9)

Plot: The Allied advance continues as they at last enter Belgium, and the Germans begin to plan a strategic withdrawal from Brussels. Albert is petitioning for his release from prison, while Bradley endeavours to forge links with other resistance groups
Episode Aired On:
Saturday, November 17 1979
45 years ago