Season
- Season 0 1984-09-24
- Season 1 1983-10-30
- Season 2 1984-05-06
- Season 3 1984-11-04
- Season 4 1985-09-15
- Season 5 1986-10-05
- Season 6 1987-09-20
- Season 7 1988-09-18
- Season 8 1989-10-01
- Season 9 1991-01-06
- Season 10 1991-11-24
- Season 11 1993-01-03
- Season 12 1994-02-20
- Season 13 1994-11-27
- Season 14 1996-01-14
- Season 15 1996-10-06
- Season 16 1997-10-19
- Season 17 1998-10-11
- Season 18 1999-10-03
- Season 19 2000-10-08
- Season 20 2001-10-07
- Season 21 2002-10-13
- Season 22 2003-10-12
- Season 23 2004-10-14
- Season 24 2005-10-19
- Season 25 2006-10-18
- Season 26 2007-04-04
- Season 27 2008-01-04
- Season 28 2008-11-11
- Season 29 2009-10-28
- Season 30 2010-07-08
- Season 31 2011-08-01
- Season 32 2012-07-19
- Season 33 2013-05-17
- Season 34 2014-04-11
- Season 35 2015-02-24
- Season 36 2016-04-14
- Season 37 2017-03-20
- Season 38 2018-03-31
- Season 39 2019-04-07
Season 39 Episode
- Season 23 Cheetahs: Fast Track to Freedom
- Season 23 Norfolk Broads: The Fall and Rise of a Great Swamp
- Season 23 Typhoon Island
- Season 23 Mississippi: Tales of the Last River Rat
- Season 23 Hammerhead
- Season 23 The Wild Wood
- Season 23 Andes: The Dragon's Back
- Season 23 Land of the Falling Lakes
- Season 23 Echo of the Elephants - The Final Chapter?
- Season 23 Shark Coast
- Season 23 Serengeti 24
- Season 23 Secrets of the Maya Underworld
- Season 23 A Boy Among Polar Bears
- Season 23 Wolf Pack
Natural World - Season 23 Episode 9 Echo of the Elephants - The Final Chapter?
7.10 60 minutes Documentary following the latest chapter in the story of Echo the female elephant and her family in the Kenyan National Park of Amboseli. Scientist Cynthia Moss believes she is charting the 59-year-old matriarch's decline - until she makes a surprising discovery. Narrated by David Attenborough. Part of 100 Years of Wildlife Week
