Cancel your Thursday night plans! Because you don't want to miss new episodes of Defiance, Dominion and Spartacus. It all begins tomorrow night at 8/7c!

On Defiance, Amanda intervenes when Nolan tries to interrogate a suspected terrorist. Watch a sneak peek below, as well as a look at episode seven with Inside Defiance.

Then, on the season finale of Dominion, Alex and Gabriel finally meet face-to-face. Dying to know more? Find out from the cast and creators themselves in a Comic-Con clip provided below. You can also watch a sneak peek and an Inside Dominion look at episode seven.

Lastly, on Spartacus, a grieving Spartacus is forced to play a Roman fighter against a group of Thracians. Watch the sneak peek below to get a glimpse of what is to come.

Defiance - Airs Thursdays at 8/7c

Slouching Towards Bethlehem - Sneak Peek - Nolan's newest mission is to prevent a bomb from exploding in New York City. Watch all new episodes of Defiance, Thursdays at 8/7c on Syfy.

Episode 7 - Inside Defiance - Get an inside look at episode seven of Defiance.

Dominion - Airs Thursdays at 9/8c

Beware Those Closest To You - Sneak Peek - Michael recalls his darker days with Alex. Watch the season finale ofDominion, Thursday at 9/8c on Syfy.

Episode 7 - Inside Dominion - Get a behind-the-scenes look at Dominion episode seven straight from the producers.

Spoiler Alert! - Dominion: Comic-Con Panel - The creators and cast tell fans what to expect in the Dominion season finale.

Spartacus - Airs Thursdays at 10/9c

Great and Unfortunate Things - Sneak Peek - Lucretia and Batiatus visit an ailing Crixus. Watch on an all-new Spartacus, Thursdays at 10/9c on Syfy.