Research Unit

Season 1

7.5

2006 • 4 Episodes

Season 1 of Research Unit premiered on May 11, 2006

Season 2

8.1

2007 • 8 Episodes

Season 2 of Research Unit premiered on September 6, 2007

Season 3

7.9

2008 • 10 Episodes

Season 3 of Research Unit premiered on November 20, 2008

Season 4

8.0

2009 • 14 Episodes

Season 4 of Research Unit premiered on September 10, 2009

Season 5

7.8

2011 • 14 Episodes

Season 5 of Research Unit premiered on March 10, 2011

Season 6

7.6

2012 • 10 Episodes

Season 6 of Research Unit premiered on April 26, 2012

Season 7

8.2

2013 • 16 Episodes

Season 7 of Research Unit premiered on February 28, 2013

Season 8

8.0

2014 • 12 Episodes

Season 8 of Research Unit premiered on February 27, 2014

Season 9

7.8

2015 • 12 Episodes

Season 9 of Research Unit premiered on February 5, 2015

Season 10

7.7

2016 • 13 Episodes

Season 10 of Research Unit premiered on January 28, 2016

Season 11

7.9

2017 • 14 Episodes

Season 11 of Research Unit premiered on January 5, 2017

Season 12

8.1

2018 • 14 Episodes

Season 12 of Research Unit premiered on March 1, 2018

Season 13

8.0

2019 • 14 Episodes

Season 13 of Research Unit premiered on March 7, 2019

Season 14

8.3

2020 • 8 Episodes

Season 14 of Research Unit premiered on March 28, 2020

Season 15

8.5

2022 • 2 Episodes

Season 15 of Research Unit premiered on April 16, 2022

Season 16

8.5

2024 • 2 Episodes

Season 16 of Research Unit premiered on February 1, 2024

Season 17

8.0