8.7
2012
 Prehistoric Autopsy (2012)
Prehistoric Autopsy (2012)
7.6
2011
 Origins of Us (2011)
Origins of Us (2011)
5.0
2010
 Digging for Britain (2010)
Digging for Britain (2010)
7.7
2009
 The Incredible Human Journey (2009)
The Incredible Human Journey (2009)