When does Continuum return?

Continuum is a Canadian science fiction television series that premiered on Showcase on May 27, 2012. It was produced by Reunion Pictures, Boy Meets Girl Film Company, and Shaw Media. The plot centres around a conflict between a group of terrorists from the year 2077 who time travel to Vancouver, British Columbia, in 2012.
Kiera Cameron lives in 2077-era Vancouver under the North American Union and its Corporate Congress. When a group of self-proclaimed freedom fighters known as Liber8 escape execution by fleeing to the year 2012, Kiera is involuntarily transported with them. She works to track down and thwart Edouard Kagame and his followers in the present day while concealing her identity as a time-traveler from the future.