
Season Four
| # | Air Date | Title | Writer | Director | |
| 67 | 4001 | 06 Oct 2002 | Deep Down | Steven S. DeKnight | Terrence O'Hara | 
| 68 | 4002 | 13 Oct 2002 | Ground State | Mere Smith | Michael Grossman | 
| 69 | 4003 | 20 Oct 2002 | The House Always Wins | David Fury | Marita Grabiak | 
| 70 | 4004 | 27 Oct 2002 | Slouching Toward Bethlehem | Jeffrey Bell | Skip Schoolnik | 
| 71 | 4005 | 03 Nov 2002 | Supersymmetry | Elizabeth Craft, Sarah Fain | Bill Norton | 
| 72 | 4006 | 10 Nov 2002 | Spin The Bottle | Joss Whedon | Joss Whedon | 
| 73 | 4007 | 17 Nov 2002 | Apocalypse, Nowish | Steven S. DeKnight | Vern Gillum | 
| 74 | 4008 | 15 Jan 2003 | Habeas Corpses | Jeffrey Bell | Skip Schoolnik | 
| 75 | 4009 | 22 Jan 2003 | Long Day's Journey | Mere Smith | Terrence O'Hara | 
| 76 | 4010 | 29 Jan 2003 | Awakening | David Fury, Steven S. DeKnight | James A. Contner | 
| 77 | 4011 | 05 Feb 2003 | Soulless | Elizabeth Craft, Sarah Fain | Sean Astin | 
| 78 | 4012 | 12 Feb 2003 | Calvary | Jeffrey Bell, Steven S. DeKnight, Mere Smith | Bill Norton | 
| 79 | 4013 | 05 Mar 2003 | Salvage | David Fury | Jefferson Kibbee | 
| 80 | 4014 | 12 Mar 2003 | Release | Steven S. DeKnight, Elizabeth Craft, Sarah Fain | James A. Contner | 
| 81 | 4015 | 19 Mar 2003 | Orpheus | Mere Smith | Terrence O'Hara | 
| 82 | 4016 | 26 Mar 2003 | Players | Jeffrey Bell, Elizabeth Craft, Sarah Fain | Michael Grossman | 
| 83 | 4017 | 02 Apr 2003 | Inside Out | Steven S. DeKnight | Steven S. DeKnight | 
| 84 | 4018 | 09 Apr 2003 | Shiny Happy People | Elizabeth Craft, Sarah Fain | Marita Grabiak | 
| 85 | 4019 | 16 Apr 2003 | The Magic Bullet | Jeffrey Bell | Jeffrey Bell | 
| 86 | 4020 | 23 Apr 2003 | Sacrifice | Ben Edlund | David Straiton | 
| 87 | 4021 | 30 Apr 2003 | Peace Out | David Fury | Jefferson Kibbee | 
| 88 | 4022 | 07 May 2003 | Home | Tim Minear | Tim Minear |