Syfy announced a season three renewal for the space action dramas KILLJOYS and DARK MATTER. Both are currently wrapping their second seasons on Syfy: KILLJOYS will air its second season finale tomorrow, Friday, September 2 at 9/8c, while DARK MATTER will air a double episode on Friday, September 9 at 10/9c and 11/10c, and its season two finale on Friday, September 16 at 10/9c.