The exploits of a group of men and women who serve the City of New York as police officers, firemen, and paramedics, all working the same fictional 55th precinct during the 3pm to 11pm shift - the 'Third Watch'.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Welcome to Camelot | 1999-09-23 | 60 min |
| Season 1 | Episode 2 | Anywhere But Here | 1999-09-26 | 60 min |
| Season 1 | Episode 3 | Patterns | 1999-10-03 | 60 min |
| Season 1 | Episode 4 | Hell Is What You Make of It | 1999-10-10 | 60 min |
| Season 1 | Episode 5 | Responsible Parties | 1999-10-31 | 60 min |
| Season 1 | Episode 6 | Sunny, Like Sunshine | 1999-11-07 | 60 min |
| Season 1 | Episode 7 | Impulse | 1999-11-14 | 60 min |
| Season 1 | Episode 8 | History of the World | 1999-11-21 | 60 min |
| Season 1 | Episode 9 | Modern Designs for Better Living | 1999-11-28 | 60 min |
| Season 1 | Episode 10 | Demolition Derby | 2000-01-10 | 60 min |
| Season 1 | Episode 11 | Alone in a Crowd | 2000-01-17 | 60 min |
| Season 1 | Episode 12 | Journey to the Himalayas | 2000-01-24 | 60 min |
| Season 1 | Episode 13 | This Band of Brothers | 2000-02-07 | 60 min |
| Season 1 | Episode 14 | 32 Bullets and a Broken Heart | 2000-02-14 | 60 min |
| Season 1 | Episode 15 | Officer Involved | 2000-02-21 | 60 min |
| Season 1 | Episode 16 | Nature or Nurture | 2000-02-28 | 60 min |
| Season 1 | Episode 17 | Ohio | 2000-03-20 | 60 min |
| Season 1 | Episode 18 | Men | 2000-04-10 | 60 min |
| Season 1 | Episode 19 | Spring Forward, Fall Back | 2000-04-17 | 60 min |
| Season 1 | Episode 20 | A Thousand Points of Light | 2000-04-24 | 60 min |
| Season 1 | Episode 21 | Just Another Night at the Opera | 2000-05-15 | 60 min |
| Season 1 | Episode 22 | Young Men and Fire | 2000-05-22 | 60 min |
| Season 2 | Episode 1 | The Lost | 2000-10-02 | 60 min |
| Season 2 | Episode 2 | Faith | 2000-10-09 | 60 min |
| Season 2 | Episode 3 | Four Days | 2000-10-16 | 60 min |
| Season 2 | Episode 4 | Jimmy's Mountain | 2000-10-23 | 60 min |
| Season 2 | Episode 5 | Kim's Hope Chest | 2000-10-30 | 60 min |
| Season 2 | Episode 6 | The Tys That Bind | 2000-11-06 | 60 min |
| Season 2 | Episode 7 | After Hours | 2000-11-13 | 60 min |
| Season 2 | Episode 8 | Know Thyself | 2000-11-27 | 60 min |
| Season 2 | Episode 9 | Run of the Mill | 2000-12-04 | 60 min |
| Season 2 | Episode 10 | History | 2000-12-18 | 60 min |
| Season 2 | Episode 11 | A Hero's Rest | 2001-01-15 | 60 min |
| Season 2 | Episode 12 | True Love | 2001-01-22 | 60 min |
| Season 2 | Episode 13 | Duty | 2001-01-29 | 60 min |
| Season 2 | Episode 14 | A Rock and a Hard Place | 2001-02-05 | 60 min |
| Season 2 | Episode 15 | Requiem for a Bantamweight | 2001-02-12 | 60 min |
| Season 2 | Episode 16 | Unfinished Business | 2001-02-26 | 60 min |
| Season 2 | Episode 17 | The Self-Importance of Being Carlos | 2001-03-19 | 60 min |
| Season 2 | Episode 18 | Honor | 2001-04-16 | 60 min |
| Season 2 | Episode 19 | Walking Wounded | 2001-04-23 | 60 min |
| Season 2 | Episode 20 | Man Enough | 2001-04-30 | 60 min |
| Season 2 | Episode 21 | Exposing Faith | 2001-05-14 | 60 min |
| Season 2 | Episode 22 | ...And Zeus Wept | 2001-05-21 | 60 min |
| Season 3 | Episode 1 | September Tenth | 2001-10-22 | 60 min |
| Season 3 | Episode 2 | After Time | 2001-10-29 | 60 min |
| Season 3 | Episode 3 | The Relay | 2001-11-12 | 60 min |
| Season 3 | Episode 4 | Adam 55-3 | 2001-11-19 | 60 min |
| Season 3 | Episode 5 | He Said, She Said | 2001-11-26 | 60 min |
| Season 3 | Episode 6 | Childhood Memories | 2001-12-03 | 60 min |
| Season 3 | Episode 7 | Act Brave | 2001-12-10 | 60 min |
| Season 3 | Episode 8 | Sex, Lies & Videotape | 2002-01-07 | 60 min |
| Season 3 | Episode 9 | Transformed | 2002-01-14 | 60 min |
| Season 3 | Episode 10 | Old Dogs, New Tricks | 2002-01-21 | 60 min |
| Season 3 | Episode 11 | The Long Guns | 2002-01-28 | 60 min |
| Season 3 | Episode 12 | Cold Front | 2002-02-04 | 60 min |
| Season 3 | Episode 13 | Superheroes (1) | 2002-02-25 | 60 min |
| Season 3 | Episode 14 | Superheroes (2) | 2002-03-04 | 60 min |
| Season 3 | Episode 15 | Thicker Than Water | 2002-04-01 | 60 min |
| Season 3 | Episode 16 | Falling | 2002-04-08 | 60 min |
| Season 3 | Episode 17 | The Unforgiven | 2002-04-15 | 60 min |
| Season 3 | Episode 18 | The Greater Good | 2002-04-22 | 60 min |
| Season 3 | Episode 19 | Unleashed | 2002-04-29 | 60 min |
| Season 3 | Episode 20 | Two Hundred and Thirty-Three Days | 2002-05-06 | 60 min |
| Season 3 | Episode 21 | Blackout | 2002-05-13 | 60 min |
| Season 4 | Episode 1 | Lights Up | 2002-09-30 | 60 min |
| Season 4 | Episode 2 | The Chosen Few | 2002-10-07 | 60 min |
| Season 4 | Episode 3 | To Protect... | 2002-10-14 | 60 min |
| Season 4 | Episode 4 | Crash and Burn | 2002-10-21 | 60 min |
| Season 4 | Episode 5 | Judgement Day (1) | 2002-10-28 | 60 min |
| Season 4 | Episode 6 | Judgement Day (2) | 2002-10-28 | 60 min |
| Season 4 | Episode 7 | Firestarter | 2002-11-11 | 60 min |
| Season 4 | Episode 8 | Ladies' Day | 2002-11-18 | 60 min |
| Season 4 | Episode 9 | Crime and Punishment (1) | 2002-12-02 | 60 min |
| Season 4 | Episode 10 | Crime and Punishment (2) | 2002-12-09 | 60 min |
| Season 4 | Episode 11 | Second Chances | 2003-01-06 | 60 min |
| Season 4 | Episode 12 | Castles of Sand | 2003-01-13 | 60 min |
| Season 4 | Episode 13 | Snow Blind | 2003-01-27 | 60 min |
| Season 4 | Episode 14 | Collateral Damage (1) | 2003-02-03 | 60 min |
| Season 4 | Episode 15 | Collateral Damage (2) | 2003-02-10 | 60 min |
| Season 4 | Episode 16 | 10-13 | 2003-02-24 | 60 min |
| Season 4 | Episode 17 | Letting Go | 2003-03-17 | 60 min |
| Season 4 | Episode 18 | Last Call | 2003-03-31 | 60 min |
| Season 4 | Episode 19 | Everybody Lies | 2003-04-07 | 60 min |
| Season 4 | Episode 20 | In Confidence | 2003-04-14 | 60 min |
| Season 4 | Episode 21 | Closing In | 2003-04-21 | 60 min |
| Season 4 | Episode 22 | The Price of Nobility | 2003-04-28 | 60 min |
| Season 5 | Episode 1 | The Truth and Other Lies | 2003-09-29 | 60 min |
| Season 5 | Episode 2 | My Opening Farewell | 2003-10-06 | 60 min |
| Season 5 | Episode 3 | Lockdown | 2003-10-13 | 60 min |
| Season 5 | Episode 4 | In Lieu of Johnson | 2003-10-20 | 60 min |
| Season 5 | Episode 5 | Goodbye to All That | 2003-10-31 | 60 min |
| Season 5 | Episode 6 | Surrender | 2003-11-07 | 60 min |
| Season 5 | Episode 7 | Payback | 2003-11-14 | 60 min |
| Season 5 | Episode 8 | Fury | 2003-11-21 | 60 min |
| Season 5 | Episode 9 | A Ticket Grows in Brooklyn | 2003-12-05 | 60 min |
| Season 5 | Episode 10 | The Spirit | 2003-12-12 | 60 min |
| Season 5 | Episode 11 | A Call for Help | 2004-01-09 | 60 min |
| Season 5 | Episode 12 | Black and Blue | 2004-01-16 | 60 min |
| Season 5 | Episode 13 | Sleeping Dogs Lie | 2004-02-06 | 60 min |
| Season 5 | Episode 14 | Blessed and Bewildered | 2004-02-13 | 60 min |
| Season 5 | Episode 15 | No More, Forever | 2004-02-20 | 60 min |
| Season 5 | Episode 16 | Family Ties (1) | 2004-02-27 | 60 min |
| Season 5 | Episode 17 | Family Ties (2) | 2004-03-05 | 60 min |
| Season 5 | Episode 18 | Purgatory | 2004-04-09 | 60 min |
| Season 5 | Episode 19 | Spanking the Monkey | 2004-04-16 | 60 min |
| Season 5 | Episode 20 | In Plain View | 2004-04-23 | 60 min |
| Season 5 | Episode 21 | Higher Calling | 2004-04-30 | 60 min |
| Season 5 | Episode 22 | Monsters | 2004-05-07 | 60 min |
| Season 6 | Episode 1 | More Monsters | 2004-09-17 | 60 min |
| Season 6 | Episode 2 | Alone Again, Naturally | 2004-09-24 | 60 min |
| Season 6 | Episode 3 | Last Will and Testament | 2004-10-01 | 60 min |
| Season 6 | Episode 4 | Obsession | 2004-10-15 | 60 min |
| Season 6 | Episode 5 | The Hunter, Hunted | 2004-10-22 | 60 min |
| Season 6 | Episode 6 | The Greatest Detectives in the World | 2004-10-29 | 60 min |
| Season 6 | Episode 7 | Leap of Faith | 2004-11-05 | 60 min |
| Season 6 | Episode 8 | Broken | 2004-11-12 | 60 min |
| Season 6 | Episode 9 | Sins of the Father | 2004-11-19 | 60 min |
| Season 6 | Episode 10 | Rat Bastard | 2004-12-03 | 60 min |
| Season 6 | Episode 11 | Forever Blue | 2005-01-07 | 60 min |
| Season 6 | Episode 12 | The "L" Word | 2005-01-14 | 60 min |
| Season 6 | Episode 13 | The Other "L" Word | 2005-01-21 | 60 min |
| Season 6 | Episode 14 | The Kitchen Sink | 2005-02-04 | 60 min |
| Season 6 | Episode 15 | Revelations | 2005-02-11 | 60 min |
| Season 6 | Episode 16 | In the Family Way | 2005-02-18 | 60 min |
| Season 6 | Episode 17 | Kingpin Rising | 2005-02-25 | 60 min |
| Season 6 | Episode 18 | Too Little, Too Late | 2005-04-08 | 60 min |
| Season 6 | Episode 19 | Welcome Home | 2005-04-15 | 60 min |
| Season 6 | Episode 20 | How Do You Spell Belief? | 2005-04-22 | 60 min |
| Season 6 | Episode 21 | End of Tour | 2005-04-29 | 60 min |
| Season 6 | Episode 22 | Goodbye to Camelot | 2005-05-06 | 60 min |
