Season 1 Episode
- Season 1 A Case For The Bishop
- Season 1 A Question of Miracles
- Season 1 To Catch A Spy
- Season 1 The Feathered Spies
- Season 1 Last Train To Bufflers Halt
- Season 1 Hole In One
- Season 1 Recall To Service
- Season 1 Errand Of Mercy
- Season 1 The Deadly Whisper
- Season 1 The Cure
- Season 1 School For Spies
- Season 1 May-Day,May-Day
- Season 1 More Haste, Less Speed
The Secret Service - Season 1 Episode 4 The Feathered Spies
5.10 30 minutes Aerial photos of a secret experimental World Air Force fighter plane are being offered on the black market, so Father Unwin and Matthew are assigned to determine how the photographer has managed to breach the restricted overhead access to Crayfield airbase. Their investigations lead them to pigeon fancier John Masden, who seems an unlikely candidate for espionage.
