Season 4
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | The Darkest Hour (1) | Oct 1, 2011 |
| 2 |  | The Darkest Hour (2) | Oct 8, 2011 |
| 3 |  | The Wicked Day | Oct 15, 2011 |
| 4 |  | Aithusa | Oct 22, 2011 |
| 5 |  | His Father's Son | Oct 29, 2011 |
| 6 |  | A Servant of Two Masters | Nov 5, 2011 |
| 7 |  | The Secret Sharer | Nov 12, 2011 |
| 8 |  | Lamia | Nov 19, 2011 |
| 9 |  | Lancelot du Lac | Nov 26, 2011 |
| 10 |  | A Herald of the New Age | Dec 3, 2011 |
| 11 |  | The Hunter's Heart | Dec 10, 2011 |
| 12 |  | The Sword in the Stone (1) | Dec 17, 2011 |
| 13 |  | The Sword in the Stone (2) | Dec 24, 2011 |