| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S01E01 | The Secret Adversary (1) |
July 26, 2015
BBC One
|
60 | |
| S01E02 | The Secret Adversary (2) |
August 2, 2015
BBC One
|
60 | |
| S01E03 | The Secret Adversary (3) |
August 9, 2015
BBC One
|
60 | |
| S01E04 | N or M? (1) |
August 16, 2015
BBC One
|
60 | |
| S01E05 | N or M? (2) |
August 23, 2015
BBC One
|
60 | |
| S01E06 |
N or M? (3)
series finale
|
August 30, 2015
BBC One
|
60 |
No artwork of this type.
No artwork of this type.
