Ian finally delivers his message to James Stirling but in order to secure Susan's release he and Barbara are forced into a dangerous spying mission.
| Title | Prisoners of Conciergerie |
|---|---|
| Genres | Drama Action & Adventure Sci-Fi & Fantasy |
| Release Date | 1964-09-12 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 1 |
| Episode Number | 42 |
| Production Companies | BBC |
