| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 1 |
February 7, 2007
BBC Two
|
60 | |
| S04E02 | Episode 2 |
February 14, 2007
BBC Two
|
60 | |
| S04E03 | Episode 3 |
February 21, 2007
BBC Two
|
60 | |
| S04E04 | Episode 4 |
February 28, 2007
BBC Two
|
60 | |
| S04E05 | Episode 5 |
March 7, 2007
BBC Two
|
60 | |
| S04E06 |
Episode 6
season finale
|
March 21, 2007
BBC Two
|
60 | |
| S04E07 | Episode 7: Where Are They Now?: Part 1 |
July 18, 2007
BBC Two
|
60 | |
| S04E08 | Episode 8: Where Are They Now?: Part 2 |
July 26, 2007
BBC Two
|
60 | |
| S04E09 | Episode 9: Where Are They Now?: Part 3 |
August 1, 2007
BBC Two
|
60 | |
| S04E10 |
Episode 10: Where Are They Now?: Part 4
season finale
|
August 2, 2007
BBC Two
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.