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| Series 4 | (Add Episode) |
Episode # ![]() |
Airdate | Title | Rating | |
| 22 | 4x01 | 28/Oct/2012 | Series 4, Episode 1 | 6.4 |
| 23 | 4x02 | 04/Nov/2012 | Series 4, Episode 2 | 6.6 |
| 24 | 4x03 | 11/Nov/2012 | Series 4, Episode 3 | 6.6 |
| 25 | 4x04 | 18/Nov/2012 | Series 4, Episode 4 | 6.8 |
| 26 | 4x05 | 25/Nov/2012 | Series 4, Episode 5 | 6.8 |
| 27 | 4x06 | 02/Dec/2012 | Series 4, Episode 6 | 6.8 |
| 28 | 4x07 | 09/Dec/2012 | Series 4, Episode 7 | 6.5 |
| 29 | 4x08 | 16/Dec/2012 | Series 4, Episode 8 | 6 |
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