| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S00E01 |
Christmas Special 2013
|
December 25, 2013
Channel 4
|
25 | |
| S00E02 |
Christmas Special 2014
season finale
|
December 23, 2014
Channel 4
|
25 |
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No artwork of this type.