| Season 1 | Episode 1 | Under the Night | 2000-10-02 | 60 min |
| Season 1 | Episode 2 | An Affirming Flame | 2000-10-09 | 60 min |
| Season 1 | Episode 3 | To Loose the Fateful Lightning | 2000-10-16 | 60 min |
| Season 1 | Episode 4 | D Minus Zero | 2000-10-23 | 60 min |
| Season 1 | Episode 5 | Double Helix | 2000-10-30 | 60 min |
| Season 1 | Episode 6 | Angel Dark, Demon Bright | 2000-11-06 | 60 min |
| Season 1 | Episode 7 | The Ties That Blind | 2000-11-13 | 60 min |
| Season 1 | Episode 8 | The Banks of the Lethe | 2000-11-20 | 60 min |
| Season 1 | Episode 9 | A Rose in the Ashes | 2000-11-27 | 60 min |
| Season 1 | Episode 10 | All Great Neptune's Ocean | 2001-01-15 | 60 min |
| Season 1 | Episode 11 | The Pearls That Were His Eyes | 2001-01-22 | 60 min |
| Season 1 | Episode 12 | The Mathematics of Tears | 2001-01-29 | 60 min |
| Season 1 | Episode 13 | Music of a Distant Drum | 2001-02-05 | 60 min |
| Season 1 | Episode 14 | Harper 2.0 | 2001-02-12 | 60 min |
| Season 1 | Episode 15 | Forced Perspective | 2001-02-19 | 60 min |
| Season 1 | Episode 16 | The Sum of Its Parts | 2001-02-26 | 60 min |
| Season 1 | Episode 17 | Fear and Loathing in the Milky Way | 2001-04-09 | 60 min |
| Season 1 | Episode 18 | The Devil Take the Hindmost | 2001-04-16 | 60 min |
| Season 1 | Episode 19 | The Honey Offering | 2001-04-23 | 60 min |
| Season 1 | Episode 20 | Star-Crossed | 2001-04-30 | 60 min |
| Season 1 | Episode 21 | It Makes a Lovely Light | 2001-05-07 | 60 min |
| Season 1 | Episode 22 | ... Its Hour Come Round at Last | 2001-05-14 | 60 min |
| Season 2 | Episode 1 | The Widening Gyre | 2001-10-01 | 60 min |
| Season 2 | Episode 2 | Exit Strategies | 2001-10-08 | 60 min |
| Season 2 | Episode 3 | A Heart for Falsehood Framed | 2001-10-15 | 60 min |
| Season 2 | Episode 4 | Pitiless as the Sun | 2001-10-22 | 60 min |
| Season 2 | Episode 5 | Last Call at the Broken Hammer | 2001-10-29 | 60 min |
| Season 2 | Episode 6 | All Too Human | 2001-11-05 | 60 min |
| Season 2 | Episode 7 | Una Salus Victus | 2001-11-12 | 60 min |
| Season 2 | Episode 8 | Home Fires | 2001-11-19 | 60 min |
| Season 2 | Episode 9 | Into the Labyrinth | 2001-11-26 | 60 min |
| Season 2 | Episode 10 | The Prince | 2002-01-19 | 60 min |
| Season 2 | Episode 11 | Bunker Hill | 2002-01-26 | 60 min |
| Season 2 | Episode 12 | Ouroboros | 2002-02-02 | 60 min |
| Season 2 | Episode 13 | Lava and Rockets | 2002-02-09 | 60 min |
| Season 2 | Episode 14 | Be All My Sins Remembered | 2002-02-16 | 60 min |
| Season 2 | Episode 15 | Dance of the Mayflies | 2002-02-23 | 60 min |
| Season 2 | Episode 16 | In Heaven Now are Three | 2002-03-02 | 60 min |
| Season 2 | Episode 17 | The Things We Cannot Change | 2002-04-13 | 60 min |
| Season 2 | Episode 18 | The Fair Unknown | 2002-04-20 | 60 min |
| Season 2 | Episode 19 | Belly of the Beast | 2002-04-27 | 60 min |
| Season 2 | Episode 20 | The Knight, Death, and the Devil | 2002-05-04 | 60 min |
| Season 2 | Episode 21 | Immaculate Perception | 2002-05-11 | 60 min |
| Season 2 | Episode 22 | Tunnel at the End of the Light | 2002-05-18 | 60 min |
| Season 3 | Episode 1 | If the Wheel Is Fixed | 2002-09-21 | 60 min |
| Season 3 | Episode 2 | The Shards of Rimni | 2002-09-28 | 60 min |
| Season 3 | Episode 3 | Mad to Be Saved | 2002-10-05 | 60 min |
| Season 3 | Episode 4 | Cui Bono | 2002-10-11 | 60 min |
| Season 3 | Episode 5 | The Lone and Level Sands | 2002-10-21 | 60 min |
| Season 3 | Episode 6 | Slipfighter the Dogs of War | 2002-10-28 | 60 min |
| Season 3 | Episode 7 | The Leper's Kiss | 2002-11-11 | 60 min |
| Season 3 | Episode 8 | For Whom the Bell Tolls | 2002-11-18 | 60 min |
| Season 3 | Episode 9 | And Your Heart Will Fly Away... | 2002-11-25 | 60 min |
| Season 3 | Episode 10 | The Unconquerable Man | 2003-01-20 | 60 min |
| Season 3 | Episode 11 | Delenda Est | 2003-01-27 | 60 min |
| Season 3 | Episode 12 | The Dark Backward | 2003-02-03 | 60 min |
| Season 3 | Episode 13 | The Risk All Point | 2003-02-10 | 60 min |
| Season 3 | Episode 14 | The Right Horse | 2003-02-17 | 60 min |
| Season 3 | Episode 15 | What Happens to a Rev Deferred? | 2003-02-24 | 60 min |
| Season 3 | Episode 16 | Point of the Spear | 2003-03-31 | 60 min |
| Season 3 | Episode 17 | Vault of the Heavens | 2003-04-07 | 60 min |
| Season 3 | Episode 18 | Deep Midnight's Voice | 2003-04-14 | 60 min |
| Season 3 | Episode 19 | The Illusion of Majesty | 2003-04-21 | 60 min |
| Season 3 | Episode 20 | Twilight of the Idols | 2003-04-28 | 60 min |
| Season 3 | Episode 21 | Day of Judgement, Day of Wrath | 2003-05-05 | 60 min |
| Season 3 | Episode 22 | Shadows Cast by a Final Salute | 2003-05-12 | 60 min |
| Season 4 | Episode 1 | Answers Given to Questions Never Asked | 2003-09-29 | 60 min |
| Season 4 | Episode 2 | Pieces of Eight | 2003-10-06 | 60 min |
| Season 4 | Episode 3 | Waking the Tyrant's Device | 2003-10-13 | 60 min |
| Season 4 | Episode 4 | Double or Nothingness | 2003-10-20 | 60 min |
| Season 4 | Episode 5 | Harper/Delete | 2003-10-27 | 60 min |
| Season 4 | Episode 6 | Soon the Nearing Vortex | 2003-11-03 | 60 min |
| Season 4 | Episode 7 | The World Turns All Around Her | 2003-11-10 | 60 min |
| Season 4 | Episode 8 | Conduit to Destiny | 2003-11-17 | 60 min |
| Season 4 | Episode 9 | Machinery of the Mind | 2004-01-12 | 60 min |
| Season 4 | Episode 10 | Exalted Reason, Resplendent Daughter | 2004-01-19 | 60 min |
| Season 4 | Episode 11 | The Torment, the Release | 2004-01-26 | 60 min |
| Season 4 | Episode 12 | The Spider's Stratagem | 2004-02-02 | 60 min |
| Season 4 | Episode 13 | The Warmth of an Invisible Light | 2004-02-09 | 60 min |
| Season 4 | Episode 14 | The Others | 2004-02-16 | 60 min |
| Season 4 | Episode 15 | Fear Burns Down to Ashes | 2004-02-23 | 60 min |
| Season 4 | Episode 16 | Lost in a Space That Isn't There | 2004-04-05 | 60 min |
| Season 4 | Episode 17 | Abridging the Devil's Divide | 2004-04-12 | 60 min |
| Season 4 | Episode 18 | Trusting the Gordian Maze | 2004-04-19 | 60 min |
| Season 4 | Episode 19 | A Symmetry of Imperfection | 2004-04-26 | 60 min |
| Season 4 | Episode 20 | Time Out of Mind | 2004-05-03 | 60 min |
| Season 4 | Episode 21 | The Dissonant Interval: Part 1 | 2004-05-10 | 60 min |
| Season 4 | Episode 22 | The Dissonant Interval: Part 2 | 2004-05-17 | 60 min |
| Season 5 | Episode 1 | The Weight: Part 1 | 2004-09-24 | 60 min |
| Season 5 | Episode 2 | The Weight: Part 2 | 2004-10-01 | 60 min |
| Season 5 | Episode 3 | Phear Phactor Phenom | 2004-10-08 | 60 min |
| Season 5 | Episode 4 | Decay of the Angel | 2004-10-15 | 60 min |
| Season 5 | Episode 5 | The Eschatology of Our Present | 2004-10-22 | 60 min |
| Season 5 | Episode 6 | When Goes Around... | 2004-10-29 | 60 min |
| Season 5 | Episode 7 | Attempting Screed | 2004-11-05 | 60 min |
| Season 5 | Episode 8 | So Burn the Untamed Lands | 2004-11-12 | 60 min |
| Season 5 | Episode 9 | What Will Be Was Not | 2004-11-19 | 60 min |
| Season 5 | Episode 10 | The Test | 2005-01-07 | 60 min |
| Season 5 | Episode 11 | Through a Glass Darkly | 2005-01-14 | 60 min |
| Season 5 | Episode 12 | Pride Before the Fall | 2005-01-21 | 60 min |
| Season 5 | Episode 13 | Moonlight Becomes You | 2005-01-28 | 60 min |
| Season 5 | Episode 14 | Past Is Prolix | 2005-02-04 | 60 min |
| Season 5 | Episode 15 | The Opposites of Attraction | 2005-02-11 | 60 min |
| Season 5 | Episode 16 | Saving Light from a Black Sun | 2005-02-18 | 60 min |
| Season 5 | Episode 17 | Totaled Recall | 2005-04-08 | 60 min |
| Season 5 | Episode 18 | Quantum Tractate Delirium | 2005-04-15 | 60 min |
| Season 5 | Episode 19 | One More Day's Light | 2005-04-22 | 60 min |
| Season 5 | Episode 20 | Chaos and the Stillness of It | 2005-04-29 | 60 min |
| Season 5 | Episode 21 | The Heart of the Journey: Part 1 | 2005-05-06 | 60 min |
| Season 5 | Episode 22 | The Heart of the Journey: Part 2 | 2005-05-13 | 60 min |
