| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Part 1 |
August 28, 2013
BBC Three
|
60 | |
| S04E02 |
Part 2
season finale
|
September 19, 2013
BBC Three
|
60 |
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No artwork of this type.
No artwork of this type.