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Research Unit Seasons

Returning Series 2006–2025 82 Audience
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TV Trailers
TV Trailers

All seasons

16 seasons - 171 episodes
Season 16
Season 16 2024
6 episodes - Feb 1, 2024
Season 15
Season 15 2022
2 episodes - Apr 16, 2022
Season 14
Season 14 2021
8 episodes - Jan 28, 2021
Season 13
Season 13 2019
14 episodes - Mar 7, 2019
Season 12
Season 12 2018
14 episodes - Mar 1, 2018
Season 11
Season 11 2017
14 episodes - Jan 5, 2017
Season 10
Season 10 2016
13 episodes - Jan 28, 2016
Season 9
Season 9 2015
12 episodes - Feb 5, 2015
Season 8
Season 8 2014
12 episodes - Feb 27, 2014
Season 7
Season 7 2013
16 episodes - Feb 28, 2013
Season 6
Season 6 2012
10 episodes - Apr 26, 2012
Season 5
Season 5 2011
14 episodes - Mar 10, 2011
Season 4
Season 4 2009
14 episodes - Sep 10, 2009
Season 3
Season 3 2008
10 episodes - Nov 20, 2008
Season 2
Season 2 2007
8 episodes - Sep 6, 2007
Season 1
Season 1 2006
4 episodes - May 11, 2006