Series D aired between 29 Sep 2006 and 22 Dec 2006, 13 episodes.
Episodes
E01
Danger
29 Sep 2006
E02
Discoveries
06 Oct 2006
E03
Dogs
13 Oct 2006
E04
Dictionaries
20 Oct 2006
E05
Death (Halloween Special)
27 Oct 2006
E06
Drinks
03 Nov 2006
E07
Differences
10 Nov 2006
E08
Descendants (Children in Need Special)
17 Nov 2006
E09
Doves
24 Nov 2006
E10
Divination
01 Dec 2006
E11
Denial & Deprivation
08 Dec 2006
E12
Domesticity
15 Dec 2006
E13
December (Christmas Special)
22 Dec 2006