Research Unit

Season 1

2006 · 4 episodes

• 1. Episode 1 May 11, 2006 52 min
• 2. Episode 2 May 11, 2006 54 min
• 3. Episode 3 May 18, 2006 55 min
• 4. Episode 4 May 18, 2006 48 min

Season 2

2007 · 8 episodes

• 1. Episode 1 Sep 6, 2007 1h
• 2. Episode 2 Sep 6, 2007 1h
• 3. Episode 3 Sep 13, 2007 1h
• 4. Episode 4 Sep 13, 2007 1h
• 5. Episode 5 Sep 20, 2007 1h
• 6. Episode 6 Sep 20, 2007 1h
• 7. Episode 7 Sep 27, 2007 1h
• 8. Episode 8 Sep 27, 2007 1h

Season 3

2008 · 10 episodes

• 1. Episode 1 Nov 20, 2008 1h
• 2. Episode 2 Nov 20, 2008 1h
• 3. Episode 3 Nov 27, 2008 1h
• 4. Episode 4 Nov 27, 2008 1h
• 5. Episode 5 Dec 4, 2008 1h
• 6. Episode 6 Dec 4, 2008 1h
• 7. Episode 7 Jan 22, 2009 1h
• 8. Episode 8 Jan 22, 2009 1h
• 9. Episode 9 Jan 29, 2009 1h
• 10. Episode 10 Jan 29, 2009 1h

Season 4

2009 · 14 episodes

• 1. Episode 1 Sep 10, 2009 1h
• 2. Episode 2 Sep 10, 2009 1h
• 3. Episode 3 Sep 17, 2009 1h
• 4. Episode 4 Sep 17, 2009 1h
• 5. Episode 5 Sep 24, 2009 1h
• 6. Episode 6 Sep 24, 2009 1h
• 7. Episode 7 Oct 1, 2009 1h
• 8. Episode 8 Oct 1, 2009 1h
• 9. Episode 9 Feb 25, 2010 1h
• 10. Episode 10 Feb 25, 2010 1h
• 11. Episode 11 Mar 4, 2010 1h
• 12. Episode 12 Mar 4, 2010 1h
• 13. Episode 13 Mar 11, 2010 1h
• 14. Episode 14 Mar 11, 2010 1h

Season 5

2011 · 14 episodes

• 1. Episode 1 Mar 10, 2011 1h
• 2. Episode 2 Mar 10, 2011 1h
• 3. Episode 3 Mar 17, 2011 1h
• 4. Episode 4 Mar 17, 2011 1h
• 5. Episode 5 Mar 24, 2011 1h
• 6. Episode 6 Mar 24, 2011 1h
• 7. Episode 7 Mar 31, 2011 1h
• 8. Episode 8 Mar 31, 2011 1h
• 9. Episode 9 Apr 7, 2011 1h
• 10. Episode 10 Apr 7, 2011 1h
• 11. Episode 11 Apr 14, 2011 1h
• 12. Episode 12 Apr 21, 2011 1h
• 13. Episode 13 Apr 28, 2011 1h
• 14. Episode 14 Apr 28, 2011 1h

Season 6

2012 · 10 episodes

• 1. Episode 1 Apr 26, 2012 1h
• 2. Episode 2 Apr 26, 2012 1h
• 3. Episode 3 May 3, 2012 1h
• 4. Episode 4 May 3, 2012 1h
• 5. Episode 5 May 10, 2012 1h
• 6. Episode 6 May 10, 2012 1h
• 7. Episode 7 May 17, 2012 1h
• 8. Episode 8 May 17, 2012 1h
• 9. Episode 9 May 24, 2012 1h
• 10. Episode 10 May 24, 2012 1h

Season 7

2013 · 16 episodes

• 1. Episode 1 Feb 28, 2013 1h
• 2. Episode 2 Feb 28, 2013 1h
• 3. Episode 3 Mar 7, 2013 1h
• 4. Episode 4 Mar 7, 2013 1h
• 5. Episode 5 Mar 14, 2013 1h
• 6. Episode 6 Mar 14, 2013 1h
• 7. Episode 7 Mar 21, 2013 1h
• 8. Episode 8 Mar 21, 2013 1h
• 9. Episode 9 Mar 28, 2013 1h
• 10. Episode 10 Mar 28, 2013 1h
• 11. Episode 11 Apr 4, 2013 1h
• 12. Episode 12 Apr 4, 2013 1h
• 13. Episode 13 Apr 11, 2013 1h
• 14. Episode 14 Apr 11, 2013 1h
• 15. Episode 15 Apr 18, 2013 1h
• 16. Episode 16 Apr 18, 2013 1h

Season 8

2014 · 12 episodes

• 1. Episode 1 Feb 27, 2014 1h
• 2. Episode 2 Feb 27, 2014 1h
• 3. Episode 3 Mar 6, 2014 1h
• 4. Episode 4 Mar 6, 2014 1h
• 5. Episode 5 Mar 13, 2014 1h
• 6. Episode 6 Mar 13, 2014 1h
• 7. Episode 7 Mar 20, 2014 1h
• 8. Episode 8 Mar 20, 2014 1h
• 9. Episode 9 Mar 27, 2014 1h
• 10. Episode 10 Mar 27, 2014 1h
• 11. Episode 11 Apr 3, 2014 1h
• 12. Episode 12 Apr 3, 2014 1h

Season 9

2015 · 12 episodes

• 1. Episode 1 Feb 5, 2015 1h
• 2. Episode 2 Feb 5, 2015 1h
• 3. Episode 3 Feb 12, 2015 1h
• 4. Episode 4 Feb 12, 2015 1h
• 5. Episode 5 Feb 19, 2015 1h
• 6. Episode 6 Feb 19, 2015 1h
• 7. Episode 7 Feb 26, 2015 1h
• 8. Episode 8 Feb 26, 2015 1h
• 9. Episode 9 Mar 5, 2015 1h
• 10. Episode 10 Mar 5, 2015 1h
• 11. Episode 11 Mar 12, 2015 1h
• 12. Episode 12 Mar 19, 2015 1h

Season 10

2016 · 13 episodes

• 1. Episode 1 Jan 28, 2016 1h
• 2. Episode 2 Jan 28, 2016 1h
• 3. Episode 3 Feb 4, 2016 1h
• 4. Episode 4 Feb 11, 2016 1h
• 5. Episode 5 Feb 18, 2016 1h
• 6. Episode 6 Feb 25, 2016 1h
• 7. Episode 7 Feb 25, 2016 1h
• 8. Episode 8 Mar 3, 2016 1h
• 9. Episode 9 Mar 3, 2016 1h
• 10. Episode 10 Mar 10, 2016 1h
• 11. Episode 11 Mar 17, 2016 1h
• 12. Episode 12 Mar 24, 2016 1h
• 13. Episode 13 Mar 31, 2016 1h

Season 11

2017 · 14 episodes

• 1. Episode 1 Jan 5, 2017 1h
• 2. Episode 2 Jan 5, 2017 1h
• 3. Episode 3 Jan 19, 2017 1h
• 4. Episode 4 Feb 2, 2017 1h
• 5. Episode 5 Feb 9, 2017 1h
• 6. Episode 6 Feb 16, 2017 1h
• 7. Episode 7 Feb 23, 2017 1h
• 8. Episode 8 Mar 2, 2017 1h
• 9. Episode 9 Mar 9, 2017 1h
• 10. Episode 10 Mar 16, 2017 1h
• 11. Episode 11 Mar 23, 2017 1h
• 12. Episode 12 Mar 30, 2017 1h
• 13. Episode 13 Apr 6, 2017 1h
• 14. Episode 14 Apr 13, 2017 1h

Season 12

2018 · 14 episodes

• 1. Episode 1 Mar 1, 2018 1h
• 2. Episode 2 Mar 1, 2018 1h
• 3. Episode 3 Mar 8, 2018 1h
• 4. Episode 4 Mar 22, 2018 1h
• 5. Episode 5 Mar 15, 2018 1h
• 6. Episode 6 Mar 15, 2018 1h
• 7. Episode 7 Mar 22, 2018 1h
• 8. Episode 8 Mar 22, 2018 1h
• 9. Episode 9 Mar 29, 2018 1h
• 10. Episode 10 Mar 29, 2018 1h
• 11. Episode 11 Apr 5, 2018 1h
• 12. Episode 12 Apr 12, 2018 1h
• 13. Episode 13 Apr 19, 2018 1h
• 14. Episode 14 Apr 26, 2018 1h

Season 13

2019 · 14 episodes

• 1. Episode 1 Mar 7, 2019 1h
• 2. Episode 2 Mar 7, 2019 1h
• 3. Episode 3 Mar 14, 2019 1h
• 4. Episode 4 Mar 14, 2019 1h
• 5. Episode 5 Mar 28, 2019 1h
• 6. Episode 6 Mar 28, 2019 1h
• 7. Episode 7 Apr 4, 2019 1h
• 8. Episode 8 Apr 4, 2019 1h
• 9. Episode 9 Apr 11, 2019 1h
• 10. Episode 10 Apr 11, 2019 1h
• 11. Episode 11 Apr 25, 2019 1h
• 12. Episode 12 Apr 25, 2019 1h
• 13. Episode 13 May 2, 2019 1h
• 14. Episode 14 May 2, 2019 1h

Season 14

2021 · 8 episodes

• 1. Episode 1 Jan 28, 2021 1h
• 2. Episode 2 Feb 4, 2021 1h
• 3. Episode 3 Feb 11, 2021 1h
• 4. Episode 4 Feb 18, 2021 1h
• 5. Episode 5 Feb 25, 2021 1h
• 6. Episode 6 Mar 4, 2021 1h
• 7. Episode 7 Mar 11, 2021 1h
• 8. Episode 8 Mar 11, 2021 1h

Season 15

2022 · 2 episodes

• 1. Episode 1 Apr 16, 2022 48 min
• 2. Episode 2 Apr 16, 2022 44 min

Season 16

2024 · 6 episodes

• 1. Episode 1 Feb 1, 2024 52 min
• 2. Episode 2 Feb 1, 2024 52 min
• 3. Episode 3 Sep 5, 2024 41 min
• 4. Episode 4 Sep 5, 2024 43 min
• 5 5. Episode 5 Oct 23, 2025 43 min
• 6 6. Episode 6 Oct 23, 2025 47 min