VIDEO: Sneak Peeks - Syfy's DEFIANCE, DOMINION & SPARTACUS

Get ready for tonight's Syfy line-up featuring Defiance, Dominion and Spartacus!

First on Defiance, Stahma makes a big power play, while Nolan leads an Arkfall crash salvage mission and discovers a new danger in the form of an alien race. Watch a sneak peek below, along with the Inside Defiancelook at episode five.

Then, on Dominion, Claire comes face to face with her mother. Meanwhile, William takes action against his father. Watch the sneak peek below, as well as an Inside Dominion look at episode five.

Lastly, on Spartacus, Batiatus investigates who was behind his assassination attempt. Meanwhile, Spartacus tries to ally himself with Crixus. Check out a sneak peek below.

Defiance - Airs Thursdays at 8/7c. In 'This Woman's Work', Nolan and Pottinger team up and make a huge discovery.

Episode 5 - Inside Defiance - Get an inside look at episode five of Defiance.

Dominion - Airs Thursdays at 9/8c. In 'Black Eyes Blues' - iIs David onto William's mischievous behavior?

Episode 5 - Inside Dominion - Get a look behind the scenes of Dominion episode five.

Spartacus - Airs Thursdays at 10/9c

VIDEO: Sneak Peeks - Syfy's DEFIANCE, DOMINION & SPARTACUS