Season 1
6 episodes · first aired 2015-07-26
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | The Secret Adversary, Part One 2015-07-26 | Tommy and Tuppence have a chance encounter on a train with an agitated young woman who suddenly disappears and never returns to her seat. | 2015-07-26 | 5.0 |
 | 02 | The Secret Adversary, Part Two 2015-08-02 | Tommy and Tuppence go undercover; he as a member of Brown's gang and she as a maid to a potential suspect. | 2015-08-02 | 6.5 |
 | 03 | The Secret Adversary, Part Three 2015-08-09 | The Beresfords search for Jane Finn comes to a close, as they uncover the identity of Mr. Brown. | 2015-08-09 | 6.3 |
 | 04 | N or M? - Part One 2015-08-16 | Tommy is sent on a secret mission to discover the identity of Soviet spy staying at a seaside guest-house; Tuppence refuses to be left behind. | 2015-08-16 | 5.5 |
 | 05 | N or M? - Part Two 2015-08-23 | Tommy and Tuppence turn their attention to their fellow occupants of Sans Souci to find N. | 2015-08-23 | 6.3 |
 | 06 | N or M? - Part Three 2015-08-30 | Tommy has finally found the missing scientist, but they're both being held against their will by M, and still none the wiser as to who N is. | 2015-08-30 | 6.3 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.