4 - 13Sanctuary for None (2)Dec. 30, 2011- 4 - 12Sanctuary for None (1)Dec. 23, 2011
- 4 - 11The DepthsDec. 16, 2011
- 4 - 10AcolyteDec. 09, 2011
- 4 - 9ChimeraNov. 29, 2011
- 4 - 8FugueNov. 25, 2011
- 4 - 7IcebreakerNov. 18, 2011
- 4 - 6HomecomingNov. 11, 2011
- 4 - 5ResistanceNov. 04, 2011
- 4 - 4MonsoonOct. 28, 2011
- 4 - 3UntouchableOct. 21, 2011
- 4 - 2UprisingOct. 14, 2011
- 4 - 1TempusOct. 07, 2011
The fourth season of the Canadian science fiction–fantasy television series Sanctuary was commissioned by Syfy on January 2010.
