| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 1 |
July 13, 2010
BBC Two
|
30 | |
| S04E02 | Episode 2 |
July 20, 2010
BBC Two
|
30 | |
| S04E03 | Episode 3 |
July 27, 2010
BBC Two
|
30 | |
| S04E04 | Episode 4 |
August 3, 2010
BBC Two
|
30 | |
| S04E05 | Episode 5 |
August 10, 2010
BBC Two
|
30 | |
| S04E06 |
Season 4, Episode 6 Red Button Extra
season finale
|
August 17, 2010
BBC Two
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.