Season 4

14 episodes · premiered Sep 10, 2009

Where to watch Research Unit

E1 Episode 1

Sep 10, 2009 · 1h
E2 Episode 2

Sep 10, 2009 · 1h
E3 Episode 3

Sep 17, 2009 · 1h
E4 Episode 4

Sep 17, 2009 · 1h
E5 Episode 5

Sep 24, 2009 · 1h
E6 Episode 6

Sep 24, 2009 · 1h
E7 Episode 7

Oct 1, 2009 · 1h
E8 Episode 8

Oct 1, 2009 · 1h
E9 Episode 9

Feb 25, 2010 · 1h
E10 Episode 10

Feb 25, 2010 · 1h
E11 Episode 11

Mar 4, 2010 · 1h
E12 Episode 12

Mar 4, 2010 · 1h
E13 Episode 13

Mar 11, 2010 · 1h
E14 Episode 14

Mar 11, 2010 · 1h