Series A aired between 11 Sep 2003 and 25 Dec 2003, 12 episodes.
Episodes
E01
Adam
11 Sep 2003
E02
Astronomy
18 Sep 2003
E03
Aquatic Animals
25 Sep 2003
E04
Atoms
02 Oct 2003
E05
Advertising
09 Oct 2003
E06
Antidotes
16 Oct 2003
E07
Arthropods
23 Oct 2003
E08
Albania
30 Oct 2003
E09
Antelopes
06 Nov 2003
E10
Aviation
13 Nov 2003
E11
Arts
20 Nov 2003
E12
Advent (Christmas Special)
25 Dec 2003