TV THIS WEEK: Being Human sees double, Primeval signs off and more!

There's plenty of action this week, including a Syfy-versus-BBC America battle royale of the Being Humans and a Primeval goodbye as the series finishes out its fourth too-short season.

Also, Chuck goes Charlie's Angels with an evil Lou Diamond Phillips thrown in, there's a two-part The Cape, a shape-shifter tries to become one of the Powells in No Ordinary Family, Father Jack is asked to leave the church on V, Wolowitz contemplates a big relationship decision in The Big Bang Theory, it's guess-who's-coming-to-dinner time for The Vampire Diaries, Clark figures out a disguise in Smallville, a killer mannequin may be on the loose in Supernatural, Peter and Olivia battle with their feelings for each other in Fringe, and Arthur faces an arranged marriage in Merlin.

Here's what we have to look forward to this week on sci-fi, fantasy, paranormal and spy-fi TV, along with sci-fi stars guest appearances in non-sci-fi shows.

Monday, Feb. 14

Chuck (NBC) 8 p.m. - "Chuck Versus the Cat Squad"

Evil Lou Diamond Phillips alert! Chuck arranges a reunion for Sarah with her former spy team, the C.A.T. Squad. However, the team's plan to take down their evil nemesis (Phillips) brings up past secrets. Meanwhile, one of the C.A.T. members makes a play for Morgan, and Alex is none too happy about it. Mini Anden and Mekenna Melvin also guest-star.

According to executive producer Chris Fedak: "It's our really fun, rompy, Charlie's Angels episode."

Here's a promo:

The Cape (NBC) 9 p.m. - "The Lich, Part 1"

Part one of a two-parter! When the orphaned heir of one of Palm City's founders sets out to get revenge, the entire city may be at risk, and it's up to the Cape and Max to try to save the day. Meanwhile, Orwell's search for the heir puts her in danger. Illeana Douglas and Richard Schiff guest-star.

Here's a preview:

Being Human (Syfy) 9 p.m. - "The End of the World As We Knew It"

Aidan demands that Ray leave, while Sally finds out more about her death. Meanwhile, Josh and Ray go through a transformation together.

Here's a promo:

Tuesday, Feb. 15

No Ordinary Family (ABC) 8 p.m. - "No Ordinary Powell"

After Dr. King learns Stephanie and Jim's secret, he sends in shape-shifter Victoria Morrow to replace one of the members of the family. Elsewhere, JJ investigates an unsolved murder.

Here's a look:

V (ABC) 9 p.m. - "Siege"

Anna pushes Ryan even further as she tries to crush the Fifth Column, and Father Travis asks Jack to leave the church. Elsewhere, Lisa meets her grandmother and they discover a mutual enemy.

Here's a preview:

Other Tuesday shows of interest:

Lost's Michael Emerson pops up on NBC's Parenthood (10 p.m.) as a man with Asperger's syndrome in "Amazing Andy and His Wonderful World of Bugs."

Wednesday, Feb. 16

Ghost Hunters International (Syfy) 9 p.m. - "Soldiers of Misfortune: Puerto Rico"

In the season finale, the GHI team heads to Puerto Rico to investigate El Morro, a 16th-century fortress, and the 19th-century Teatro Tapia theater.

Here's a promo and a sneak peek:

Other Wednesday shows of interest:

On PBS's Nova scienceNow (8 p.m.) it's a look at "Where Did We Come From?" as scientists explore a new discovery. On Syfy's Face Off (10 p.m.), Friday the 13th director Sean Cunningham guest-judges the makeup artists as they try to come up with an original horror-movie villain in "Bad to the Bone." And on SOAPnet's Being Erica (11 p.m.), Kai shows Erica her future, which leads the time traveler to embrace the present in "Wash, Rinse, REPEAT."

Thursday, Feb. 17

The Big Bang Theory (CBS) 8 p.m. - "The Cohabitation Formulation"

While Wolowitz considers taking his relationship with Bernadette to the next level, Leonard takes up with Raj's sister again.

Here's a preview:

The Vampire Diaries (The CW) 8 p.m. - "The Dinner Party"

Stefan tells Elena about his murderous past, while Damon organizes a dinner party in Elijah's honor where he plots to kill the Original during dessert.

Here's a promo:

Archer (FX) 10 p.m. - "Pipeline Fever"

Archer and Lana travel to Louisiana to protect a natural gas pipeline from an ecoterrorist. Meanwhile, back at ISIS headquarters, Mallory orders her staff to go green in an effort to get tax credits.

Here's a preview:

Other Thursday shows of interest:

On the CW's Nikita (9 p.m.), when Alex is double-crossed by an old friend, Nikita and Michael must join forces to attempt a rescue.

Friday, Feb. 18

Smallville (The CW) 8 p.m. - "Masquerade"

While Chloe and Oliver are probing several murders, Desaad kidnaps them and attempts to infect Chloe with the darkness. Elsewhere, Lois and Clark work on a way to protect his identity.

Here's a preview:

Star Wars: The Clone Wars (Cartoon Network) 8:30 p.m. - "The Citadel"

In part one of a three-parter, Obi-Wan and Anakin head off on a mission to save a Jedi general who's trapped in a Separatist prison.

Here's a look:

Supernatural (The CW) 9 p.m. - "Mannequin 3: The Reckoning"

When Dean discovers Lisa's in danger, he rushes home. Meanwhile, Sam digs into a case involving the murders of several men that may involve a killer mannequin.

Here's a look:

Fringe (Fox) 9 p.m. - "6B"

Could it be ghosts or even a collapsing universe? We're back Over Here as the team investigates mysterious events in a building. Meanwhile, Peter and Olivia dig into the depths of their emotional issues (and they don't even know about Faulivia's condition yet). However, the real drama will come when Fringe gets canceled if more people don't start watching it soon.

Here's a promo and a Walter freakout sneak peek:

Merlin (Syfy) 10 p.m. - "The Changeling"

Uther pressures Arthur to marry a visiting princess (Georgia King), but the prince agonizes over the decision because of his feelings for Gwen. Meanwhile, Merlin suspects something is up with the beautiful princess.

Here's a promo and a sneak peek:

Other Friday shows of interest:

At the Cartoon Network, there are new episodes of Young Justice (7 p.m.), Ben 10: Ultimate Alien (7:30 p.m.) and Generator Rex (8 p.m.). On a special one hour episode of Disney's Wizards of Waverly Place (8 p.m.) it's "Wizards vs. Angels," when Alex gets some help from a guardian angel. Finally, on Starz' Spartacus: Gods of the Arena (10 p.m.), Batiatus' father arranges a tournament to prove the worth of his gladiators in "Reckoning."

Saturday, Feb. 12

Primeval (BBC America) 8 p.m. - "Episode 7"

Season 4 finale! The team gets a shock when the missing Danny runs through an anomaly while they're trying to contain a rampaging Titanis. However, the bigger surprise is that Danny has a warning for them. Meanwhile, Ethan plots his revenge on Emily. You can expect another short season of Primeval later this year on BBC America.

Here's a look:

Being Human (BBC America) 9 p.m. - "Lia"

Season 3 premiere! The original Being Human returns with a new eight-episode season, which begins with Annie trapped in purgatory and her friends trying to figure a way to get her back. However, as Mitchell crosses over into the Afterlife trying to find her, his guide (Lacey Turner) forces him to revisit his killer ways.

Here's a preview:

What are you going to watch?

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