The Secret Service: Season 1 (Series 1)
This season started on September 21, 1969. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | A Case for the Bishop · 30 min | |
| 2 | A Question of Miracles · 30 min | |
| 3 | To Catch a Spy · 30 min | |
| 4 | The Feathered Spies · 30 min | |
| 5 | Last Train to Bufflers Halt · 30 min | |
| 6 | Hole in One · 30 min | |
| 7 | Recall to Service · 30 min | |
| 8 | Errand of Mercy · 30 min | |
| 9 | The Deadly Whisper · 30 min | |
| 10 | The Cure · 30 min | |
| 11 | School for Spies · 30 min | |
| 12 | Mayday! Mayday! · 30 min | |
| 13 | More Haste, Less Speed · 30 min |