Episode guide
Research Unit: Season 4
14 episodes · premiered Sep 10, 2009
TMDB has no overview for this season.
- Episode 1: Episode 1 Sep 10, 2009 · 1h
- Episode 2: Episode 2 Sep 10, 2009 · 1h
- Episode 3: Episode 3 Sep 17, 2009 · 1h
- Episode 4: Episode 4 Sep 17, 2009 · 1h
- Episode 5: Episode 5 Sep 24, 2009 · 1h
- Episode 6: Episode 6 Sep 24, 2009 · 1h
- Episode 7: Episode 7 Oct 1, 2009 · 1h
- Episode 8: Episode 8 Oct 1, 2009 · 1h
- Episode 9: Episode 9 Feb 25, 2010 · 1h
- Episode 10: Episode 10 Feb 25, 2010 · 1h
- Episode 11: Episode 11 Mar 4, 2010 · 1h
- Episode 12: Episode 12 Mar 4, 2010 · 1h
- Episode 13: Episode 13 Mar 11, 2010 · 1h
- Episode 14: Episode 14 Mar 11, 2010 · 1h