Season 4
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Broken Circle (2) | Jun 12, 2005 |
| 2 |  | The Collector | Jun 19, 2005 |
| 3 |  | Double Vision | Jun 26, 2005 |
| 4 |  | Still Life | Jul 10, 2005 |
| 5 |  | Heroes & Demons | Jul 17, 2005 |
| 6 |  | The Last Goodbye | Jul 24, 2005 |
| 7 |  | Grains of Sand | Jul 31, 2005 |
| 8 |  | Vanguard | Aug 7, 2005 |
| 9 |  | Babble On | Aug 14, 2005 |
| 10 |  | Coming Home | Aug 21, 2005 |
| 11 |  | Saved | Aug 28, 2005 |
| 12 |  | A Very Dead Zone Christmas | Dec 4, 2005 |