2013-2015  (Syfy)



Season One

After alien survivors of a galaxy-wide war arrive on Earth, humans and aliens build a new society on the ruins of St. Louis in the hopes of living peaceably together.


Season Two

The town of Defiance comes under Earth Republic control, as Nolan searches the badlands for his daughter and the Tarr family seeks to maintain its criminal empire.


Season Three

Following the collapse of the mines and an impending military siege, the future of Defiance is made even more uncertain by the arrival of a mysterious and nearly extinct species called the Omec -- warriors marked by the decades of subjugation they once imposed upon the galaxy.

Cast of Characters

Meet the human and alien inhabitants of Defiance, a frontier town on a radically altered Earth.

Image Gallery

Check out photos and high-quality screen captures from the series previews!


Preview the series with trailers, episode teasers, and making-of videos from the Toronto set.

GateWorld Forum

Discussion Forum

Talk about Defiance with thousands of fans now at GateWorld Forum!

Show Status

CONCLUDED. Syfy Channel cancelled Defiance after three seasons.