Season
- Season 1 2006-05-11
- Season 2 2007-09-06
- Season 3 2008-11-20
- Season 4 2009-09-10
- Season 5 2011-03-10
- Season 6 2012-04-26
- Season 7 2013-02-28
- Season 8 2014-02-27
- Season 9 2015-02-05
- Season 10 2016-01-28
- Season 11 2017-01-05
- Season 12 2018-03-01
- Season 13 2019-03-07
- Season 14 2021-01-28
- Season 15 2022-04-16
- Season 16 2024-02-01
Season 16 Episode
- Season 7 Episode 1
- Season 7 Episode 2
- Season 7 Episode 3
- Season 7 Episode 4
- Season 7 Episode 5
- Season 7 Episode 6
- Season 7 Episode 7
- Season 7 Episode 8
- Season 7 Episode 9
- Season 7 Episode 10
- Season 7 Episode 11
- Season 7 Episode 12
- Season 7 Episode 13
- Season 7 Episode 14
- Season 7 Episode 15
- Season 7 Episode 16
Research Unit - Season 7 Episode 2
8.20 60 minutes 
