When does Sanctuary return?

Sanctuary is a Canadian science fantasy television series created by Damian Kindler. It aired on Syfy in the United States between 2008 and 2011, for all four seasons and a total of 59 episodes. The show centres on Dr. Helen Magnus, a 157-year-old teratologist, and her team of experts who run the Sanctuary, an organization that seeks out extraordinarily powerful creatures and people, known as Abnormals.