Sezon 4
Bölümler
1 TB or Not TB 2 Mar 2008 2 La Consecuencia 9 Mar 2008 3 Hep Burn and Melinkov 16 Mar 2008 4 The Kiss 23 Mar 2008 5 Suspicious Minds 30 Mar 2008 6 Race Fever 6 Nis 2008 7 Hearts and Minds 13 Nis 2008 8 Brood 14 20 Nis 2008 9 Unbottled 27 Nis 2008 10 What It Feels Like 4 May 2008 11 Bloodless 11 May 2008 12 The Sounds of Science 18 May 2008 13 The Truth 25 May 2008