This VE Day 80th Anniversary special of The One Show shines a spotlight on the vital but often hidden contributions of Bletchley Park during World War II. Through compelling historical recreations, archival material, and a poignant interview with a former Bletchley Park employee, the programme brings to life the extraordinary efforts of the codebreakers who played a crucial role in securing Allied victory.

Filmed on location and enriched with expert commentary, this episode offers viewers a unique look at the intelligence work that remained secret for decades.