| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S20E01 | Episode 1 |
November 14, 2012
BBC Two
|
25 | |
| S20E02 | Episode 2 |
November 21, 2012
BBC Two
|
25 | |
| S20E03 | Episode 3 |
November 28, 2012
BBC Two
|
25 | |
| S20E04 | Episode 4 |
December 5, 2012
BBC Two
|
25 | |
| S20E05 | Episode 5 |
December 12, 2012
BBC Two
|
25 | |
| S20E06 | Episode 6 |
December 19, 2012
BBC Two
|
25 | |
| S20E07 | Episode 7 |
January 23, 2013
BBC Two
|
25 | |
| S20E08 | Episode 8 |
BBC Two
|
25 | |
| S20E09 | Episode 9 |
BBC Two
|
25 | |
| S20E10 | Episode 10 |
BBC Two
|
25 | |
| S20E11 | Episode 11 |
February 20, 2013
BBC Two
|
25 | |
| S20E12 | Episode 12 |
February 27, 2013
BBC Two
|
25 | |
| S20E13 |
Episode 13
season finale
|
BBC Two
|
25 |
No artwork of this type.
No artwork of this type.
No artwork of this type.