| 1.1 Pilot | 9-24-01 |
| 1.2 The Dawn of a New Day | 10-01-01 |
| 1.3 The Ties That Bind | 10-08-01 |
| 1.4 Born to Run | 10-15-01 |
| 1.5 You Can't Go Home Again | 10-22-01 |
| 1.6 Believers | 10-29-01 |
| 1.7 Sight Unseen | 11-12-01 |
| 1.8 Digger (1) | 11-19-01 |
| 1.9 Digger (2) | 11-26-01 |
| 1.10 Blue Christmas | 12-10-01 |
| 1.11 Wrong Place, Wrong Time | 01-07-02 |
| 1.12 Blood Relatives | 01-14-02 |
| 1.13 Miracles & Wonders | 01-21-02 |
| 1.14 Four Fathers | 01-28-02 |
| 1.15 Acts of Mercy | 02-04-02 |
| 1.16 Lost and Found | 02-25-02 |
| 1.17 Crime and Punishment | 03-04-02 |
| 1.18 With Honor | 03-18-02 |
| 1.19 For Harry, with Love and Squalor | 04-08-02 |
| 1.20 The Gift of Life | 04-15-02 |
| 1.21 Someone to Count On | 04-29-02 |
| 1.22 Secrets & Lies (1) | 05-06-02 |
| 1.23 Sectrets & Lies (2) | 05-13-02 |
| 2.1 There's No Place Like Home | 09-23-02 |
| 2.2 Bombs Away | 09-30-02 |
| 2.3 The Truth Is Out There | 10-07-02 |
| 2.4 Pay Back | 10-14-02 |
| 2.5 As If By Fate | 10-21-02 |
| 2.6 One Twelve | 11-11-02 |
| 2.7 Scared Straight | 11-18-02 |
| 2.8 Don't Look Back | 12-02-02 |
| 2.9 Prisoner Exchange | 12-09-02 |
| 2.10 Ockham's Razor | 01-06-03 |
| 2.11 Family Ties | 01-13-03 |
| 2.12 Perfect Storm | 01-27-03 |
| 2.13 Strangled | 02-03-03 |
| 2.14 Wild Card | 02-10-03 |
| 2.15 John Doe | 02-24-03 |
| 2.16 Conspiracy | 03-17-03 |
| 2.17 Cruel and Unusual | 03-31-03 |
| 2.18 Fire and Ice | 04-07-03 |
| 2.19 Dead Wives Club | 04-14-03 |
| 2.20 Sunset Division | 04-21-03 |
| 2.21 Pandora's Trunk (1) | 04-28-03 |
| 2.22 Pandora's Trunk (2) | 05-05-03 |
| 3.1 Devil May Care | 03-07-04 |
| 3.2 Slam Dunk | 03-12-04 |
| 3.3 Til Death Do Us Part | 03-14-04 |
| 3.4 Is That Plutomium in Your Pants Or Are You Just Happy To See Me? |
03-19-04 |
| 3.5 Dead or Alive | 03-21-04 |
| 3.6 Second Chances | 03-28-04 |
| 3.7 Missing Pieces | 04-04-04 |
| 3.8 Most Likely | 04-18-04 |
| 3.9 All the New Fit to Print | 04-25-04 |
| 3.10 Revealed Aka Once Bitten |
05-09-04 |
| 3.11 He said, She said | 05-16-04 |
| 3.12 Dead in the Water | 05-23-04 |
| 3.13 Oh, Brother Where Art Thou? (3) | 06-06-04 |
| 4.1 After Dark | 09-26-04 |
| 4.2 Out of Sight | 10-03-04 |
| 4.3 Intruded | 10-10-04 |
| 4.4 Deja Past | 10-17-04 |
| 4.5 Justice Delayed | 10-24-04 |
| 4.6 Bad Moon | 10-31-04 |
| 4.7 What Happens in Vegas Dies in Boston | 11-07-04 |
| 4.8 Fire From the Sky aka Red Sky |
11-14-04 |
| 4.9 Necessary Risks | 11-21-04 |
| 4.10 A Stranger Among Us | 01-02-05 |
| 4.11 Murder in the Rue Morgue | 01-09-05 |