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 22 Episode 1
- Season 22 Episode 2
- Season 22 Episode 3
- Season 22 Episode 4
- Season 22 Episode 5
- Season 22 Episode 6
- Season 22 Episode 7
- Season 22 Episode 8
- Season 22 Episode 9
- Season 22 Episode 10
- Season 22 Episode 11
- Season 22 Episode 12
- Season 22 Episode 13
- Season 22 Episode 14
- Season 22 Episode 15
- Season 22 Episode 16
- Season 22 Episode 17
Natural World - Season 22 Episode 2 Elephant Cave
7.40 60 minutes Beneath the forested flanks of an extinct volcano lies a cave with a mysterious secret. Kitum Cave on the slopes of Mt Elgon in Kenya is the only place on earth where elephants regularly venture deep underground. Driven by cravings for salt, these elephants are forced to make the dangerous venture into the cave. Humans have been drawn to Kitum Cave over thousand of years, originally to harvest salt, but more recently to slaughter elephants, leading to local rangers Daniel and Mike being assigned to protect the survivors
