Sezon 4
Bölümler
1 The Darkest Hour (1) 1 Eki 2011 
2 The Darkest Hour (2) 8 Eki 2011 
3 The Wicked Day 15 Eki 2011 
4 Aithusa 22 Eki 2011 
5 His Father's Son 29 Eki 2011 
6 A Servant of Two Masters 5 Kas 2011 
7 The Secret Sharer 12 Kas 2011 
8 Lamia 19 Kas 2011 
9 Lancelot du Lac 26 Kas 2011 
10 A Herald of the New Age 3 Ara 2011 
11 The Hunter's Heart 10 Ara 2011 
12 The Sword in the Stone (1) 17 Ara 2011 
13 The Sword in the Stone (2) 24 Ara 2011