| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S01E01 |
episode 1
series finale
|
January 1, 2012
BBC One
|
30 | |
| S01E02 | episode 2 |
BBC One
|
30 | |
| S01E03 | episode 3 |
BBC One
|
30 | |
| S01E04 |
Episode 04
season finale
|
BBC One
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.