Sci-Fi This Week: Defiance Is Under Siege

The conflict with General Rahm Tak finally comes to a head in this week’s new episode of Defiance, as the town’s residents defend the town from the Votanis Collective army.

Also this week: Ruby Rose (Orange Is the New Black) guest stars on Dark Matter, while the Killjoys are on the hunt for a legendary bounty hunter who has gone rogue. And on Humans, Niska is on the run and the world may be turned upside down when the media catches wind of a “Killer Synth” who is still at large.

Here’s your schedule for this week in sci-fi television:

EXTANT
CBS, 10/9c
“Cracking the Code.” As Molly works to create a virus that will eradicate alien hybrids, she discovers that aliens are trying to communicate with humans through a hidden message in their DNA. Also, Lucy helps Ethan run away from Charlie in order to help him recover memories of his mother, Molly.

DOMINION
Syfy, 10/9c
“The Narrow Gate.” Alex embarks on a dangerous quest to prove himself to his new ally, during which a startling face from his past appears; at the same time, Claire enlists the help of an old friend to halt what she believes is a brewing revolt from the V1s; and Michael makes a sacrifice that will prevent him from ever being with his love.

DEFIANCE
Syfy, 8/7c
“My Name Is Datak Tarr and I Have Come to Kill You.” Defiance is under siege; Nolan, Amanda, Irisa, and militia defend the town; Stahma takes a trip.

KILLJOYS
Syfy, 9/8c
“One Blood.” Top Killjoys from around the Quad are pitted against one another in a race to find Big Joe, a legendary bounty hunter gone rogue.

DARK MATTER
Syfy, 10/9c
“Episode 107.” The crew finally gain access to the secret room in the ship’s underbelly and among the items they find inside are a sunny android and a desperately ill woman who reveals a connection to Three.

HUMANS
AMC, 9/8c
“Episode 5.” News of the ‘Killer Synth’ finds its way into the media, causing widespread panic, and placing Karen under even more pressure to track down the alluring fugitive Niska. However, it seems there may be an ulterior motive to her hunt for the murderous synth. Meanwhile, the Hawkins debate whether to keep Anita in light of their recent discovery that she is not quite as ‘new’ as she seemed.

FALLING SKIES
TNT, 10/9c
“Non-Essential Personnel.” The 2nd Mass leaves Chinatown.

What are YOUR top picks for this week?