Season
- Season 0 2017-12-26
- Season 1 2000-05-14
- Season 2 2001-06-26
- Season 3 2001-05-08
- Season 4 2003-11-01
- Season 5 2005-10-19
- Season 6 2006-11-08
- Season 7 2008-04-23
- Season 8 2008-05-07
- Season 9 2009-05-13
- Season 10 2010-11-03
- Season 11 2011-04-20
- Season 12 2012-10-23
- Season 13 2013-11-13
- Season 14 2015-01-28
- Season 15 2015-10-27
- Season 16 2016-10-26
- Season 17 2018-01-24
- Season 18 2019-07-02
- Season 19 2021-10-20
- Season 20 2022-10-09
- Season 21 2023-10-25
- Season 22 2024-10-23
- Season 23 2025-10-08
Secrets of the Dead - Season 16 Episode 5 Leonardo: The Man Who Saved Science
6.30 56 minutes An investigation to discover if Leonardo da Vinci came up with all of his credited ideas and inventions, or were they borrowed from ancient scholars and scientists?
