A Small Circle of Friends (S04E12)

S04E01 The Last Six Hours S04E02 Speed Trap S04E03 A Test for the Living S04E04 Death by Good Intention S04E05 Images S04E06 Even Odds S04E07 Dead and Alive S04E08 No Way to Treat a Body S04E09 A Night to Raise the Dead S04E10 A Question of Death S04E11 House of No Return S04E12 A Small Circle of Friends S04E13 The Depth of Beauty S04E14 Walk Softly Through the Night (1) S04E15 Walk Softly Through the Night (2) S04E16 Aftermath S04E17 Dark Angel S04E18 Physician, Heal Thyself S04E19 Promises to Keep S04E20 Semper-Fidelis S04E21 An Ounce of Prevention S04E22 The Death Challenge S04E23 The Eye of the Needle