Episodes
| Episode | First Broadcast | Comments |
|---|---|---|
| 01 | 20050508 | "Looking at a unit set up by Churchill to devise special weapons for irregular warfare." |
| 01 | 20050508 | Looking at a unit set up by Churchill to devise special weapons for irregular warfare. |
| 02 | 20050515 | |
| 03 | 20050522 | British Intelligence controlled every German spy operating in Britain in the Second World War. Michael Nicholson investigates the 'double cross' system and the remarkable Dusko Popov. |
| 04 LAST | 20050529 |