Season 23 aired between 28 Mar 2004 and 15 Feb 2005, 14 episodes.
Episodes
E01
Cheetahs: Fast Track to Freedom
14 Oct 2004
E02
Norfolk Broads: The Fall and Rise of a Great Swamp
21 Oct 2004
E03
Typhoon Island
18 Nov 2004
E04
Mississippi: Tales of the Last River Rat
25 Nov 2004
E05
Hammerhead
02 Dec 2004
E06
The Wild Wood
09 Dec 2004
E07
Andes - The Dragon's Back
16 Dec 2004
E08
Land of the Falling Lakes
05 Jan 2005
E09
Echo of the Elephants - The Final Chapter?
19 Jan 2005
E10
Shark Coast
26 Jan 2005
E11
Serengeti 24
03 Feb 2005
E12
Secrets of the Maya Underworld
09 Feb 2005
E13
A Boy Among Polar Bears
15 Feb 2005
E14
Wolf Pack
28 Mar 2004