Season 1
| 1 | Pilot: Part 1 | 1998-10-07 |
| 2 | Pilot: Part 2 | 1998-10-07 |
| 3 | The Gettysburg Virus | 1998-10-14 |
| 4 | Come Again? | 1998-10-21 |
| 5 | Vows | 1998-10-28 |
| 6 | Doppleganger: Part 1 | 1998-11-04 |
| 7 | Doppleganger: Part 2 | 1998-11-11 |
| 8 | Shadow Play | 1998-11-18 |
| 9 | As Time Goes By | 1998-11-25 |
| 10 | Sleepers | 1998-12-16 |
| 11 | HAARP Attack | 1999-01-27 |
| 12 | Last Card Up | 1999-02-03 |
| 13 | Last Breath | 1999-02-10 |
| 14 | Parkergeist | 1999-02-24 |
| 15 | Daddy's Girl | 1999-03-03 |
| 16 | There's Something About Olga | 1999-03-31 |
| 17 | A Dish Best Served Cold | 1999-04-12 |
| 18 | Vegas Heist | 1999-05-05 |
| 19 | EBE's | 1999-05-12 |
| 20 | Walter | 1999-05-19 |
| 21 | Lifeboat | 1999-05-26 |
Season 2
| 1 | The Football | 1999-09-29 |
| 2 | Pinball Wizard | 1999-10-06 |
| 3 | Parker.com | 1999-10-13 |
| 4 | For the Children | 1999-10-20 |
| 5 | Two Weddings and a Funeral | 1999-11-03 |
| 6 | Walk Away | 1999-11-10 |
| 7 | Sister's Keeper | 1999-11-17 |
| 8 | The Collector | 1999-11-24 |
| 9 | Love and Other Disasters | 1999-12-15 |
| 10 | The Devil and the Deep Blue Sea | 2000-01-05 |
| 11 | Time Gremlin | 2000-01-12 |
| 12 | Buried Alive | 2000-02-09 |
| 13 | The Backstepper's Apprentice | 2000-02-16 |
| 14 | Deja Vu All Over Again | 2000-02-23 |
| 15 | Space Station Down | 2000-03-01 |
| 16 | The Cuban Missile | 2000-03-22 |
| 17 | X-35 Needs Changing | 2000-04-05 |
| 18 | Brother, Can You Spare a Bomb? | 2000-04-19 |
| 19 | Pope Parker | 2000-04-26 |
| 20 | Witch Way to the Prom | 2000-05-03 |
| 21 | Mr. Donovan's Neighborhood | 2000-05-10 |
| 22 | Playmates and Presidents | 2000-05-17 |
| 23 | The Cure | 2000-05-24 |
Season 3
| 1 | Stairway to Heaven | 2000-10-11 |
| 2 | Peacekeepers | 2000-10-18 |
| 3 | Rhino | 2000-10-25 |
| 4 | The Dunwych Madness | 2000-11-01 |
| 5 | Olga's Excellent Vacation | 2000-11-08 |
| 6 | Deloris Demands | 2000-11-15 |
| 7 | The Fire Last Time | 2000-11-22 |
| 8 | Tracker | 2000-12-20 |
| 9 | Top Dog | 2001-01-03 |
| 10 | Adam & Eve & Adam | 2001-01-10 |
| 11 | Head Case | 2001-01-31 |
| 12 | Raven | 2001-02-07 |
| 13 | The First Freshman | 2001-02-14 |
| 14 | Revelation | 2001-02-21 |
| 15 | Crystal Blue Persuasion | 2001-02-28 |
| 16 | Empty Quiver | 2001-03-21 |
| 17 | Kansas | 2001-03-28 |
| 18 | The Final Countdown | 2001-04-04 |
| 19 | The Brink | 2001-05-08 |
| 20 | Sugar Mountain | 2001-05-15 |
| 21 | Born in the USSR | 2001-05-22 |
| 22 | Live: From Death Row | 2001-05-29 |