TV THIS WEEK: Buffy slams into Supernatural, fairy tales and more!

Cordelia and Spike married!? Well, Supernatural throws a little Buffy reunion with Charisma Carpenter and James Marsters (along with a little witchcraft for good measure) into what looks like another awesome episode. And we get the premiere of fairy-tale-inspired Once Upon a Time.

Also this week, a new resident checks into Terra Nova, TAPS takes on a ghost at a theater in Ghost Hunters, we'll learn about the house's past on American Horror Story, Syfy's Fact or Faked returns with new episodes, the teens head back to school for their senior year on The Vampire Diaries, Faye's ex pops into town on The Secret Circle, Magnus deals with a U.N. official on Sanctuary, a child may be in danger on Bedlam, and Rick and the survivors discover what might be a safe location on The Walking Dead.

Here's what we have to look forward to this week on sci-fi, fantasy, paranormal and spy-fi TV.

Monday, Oct. 17

Terra Nova (Fox) 8 p.m. - "The Runaway"

It could mean war for Terra Nova when a Sixer girl seeks refuge. Meanwhile, Taylor thinks a traitor might be in their midst, and Reynolds tells Maddy how he feels about her.

Here's a preview and a sneak peek:

Scare Tactics (Syfy) 9 p.m. - "Uh Oh! It's Maggots"

Pranks this week include a student being faced with a plant grown in space, and a TV crew go to a house where a butler continues to serve his deceased master.

Here's a promo:

Wednesday, Oct. 19

Ghost Hunters (Syfy) 9 p.m. T- "Stage Fright"

TAPS investigates the Rapid Theatre in Niagara Falls, N.Y., which has reports that the spirit of an actress might be haunting the place.

Here's a promo:

American Horror Story (FX) 10 p.m. - "Murder House"

Vivien makes a decision about the house and then learns what happened to its first residents. Meanwhile, Ben gets a visitor who causes problems for him.

Here's a preview:

Fact or Faked: Paranormal Files (Syfy) 10 p.m. - "UFO Crash Landing/Graveyard Ghost"

Returns with new episodes! The team investigates an alleged UFO crash site in New Mexico, and then the team probes whether a graveyard in Nevada might have a ghost.

Here's a preview:

Other Wednesday shows of interest:

History's Ancient Aliens (9 p.m.) delves into "Aliens and the Secret Code."

Thursday, Oct. 20

The Vampire Diaries (The CW) 8 p.m. - "Smells Like Teen Spirit"

Remember school? Remember when the Vamp Diaries kids went to school? Well, it's finally back to school for Elena, Caroline, Bonnie and Matt as they start their senior year, and you're not going to believe who ends up in Alaric's history class.

Here's a preview:

The Secret Circle (The CW) 9 p.m. - "Wake"

After the dramatic events of last week, get ready for some major angst for everyone involved. The stakes have been raised, but the witches won't have too much time to fret when Faye's former boyfriend returns to the town and tries to make a connection with Cassie. What do you think about the turn of events so far?

Here's a promo:

Person of Interest (CBS) 9 p.m. - "Judgment"

Reese and Finch try to help a judge who's tough on crime when his son is kidnapped and he becomes a person of interest.

Here's a preview:

Friday, Oct. 21

Nikita (The CW) 8 p.m. - "Looking Glass"

Michael tries to help a woman he once had feelings for, but Nikita is suspicious. And Amanda attempts to manipulate Alex for a mission.

Here's a promo:

Supernatural (The CW) 9 p.m. - "Shut Up, Dr. Phil"

Charisma Carpenter and James Marsters guest-star alert! It's a Buffy reunion! Carpenter and Marsters play a married couple who have issues when she discovers he's having an affair. The problem? She's a witch, and she's unleashing her wrath on a small town.

Here's a preview:

Sanctuary (Syfy) 10 p.m. - "Untouchable"

Now that the world knows about Abnormals and the Sanctuary, it looks like Magnus is going to have a lot of explaining to do when a U.N. official pays a visit. Meanwhile, Will's girlfriend has a unique problem.

Here's a promo:

Other Friday shows of interest:

On the Cartoon Network, there are new episodes of Generator Rex (6 p.m.) Young Justice (6:30 p.m.), Batman: The Brave and the Bold (7 p.m.) and Ben 10: Ultimate Alien (7:30 p.m.). On CBS's A Gifted Man (8 p.m.), Michael treats an ex-football star who's homeless in "In Case of Memory Loss." On Disney's Wizards of Waverly Place (8 p.m.), Alex has to deal with a zombie outbreak in "Get Along, Little Zombie." The Travel Channel's Ghost Adventures (9 p.m.) takes on the "Lizzie Borden House." And on the channel's The Dead Files (10 p.m.), Amy and Steve probe a historic home in New Orleans that causes strange visions and bizarre occurrences in "The White Widow - New Orleans, LA."

Saturday, Oct. 22

Bedlam (BBC America) 9 p.m. - "Hide and Seek"

Molly fears for Ella, a girl she's babysitting, when Ella tells her that she has an imaginary friend who's being abused. Meanwhile, Grace learns disturbing things about her grandfather.

Here's a look:

Fred 2: Night of the Living Fred (Nickelodeon) 9 p.m.

Fred Figglehorn (Lucas Cruikshank) is back, and he's none too happy when his music teacher is replaced and he starts to believe his new teacher is a vampire.

Here's a preview:

Sunday, Oct. 23

Once Upon a Time (ABC) 8 p.m. - "Pilot"

Series premiere! From the writers of Lost, a young woman (Jennifer Morrison) finds herself in Storybrooke, a Maine town with a secret involving fairy tales. The series also stars Gennifer Goodwin as Snow White and Robert Carlyle as Rumpelstiltskin.

Here's a look:

The Walking Dead (AMC) 9 p.m. - "Bloodletting"

Yikes! With a title like "Bloodletting," things can't be good for our survivors. It looks like we're about to get a look at Hershel's Farm, one of the big settings in the comic book series. Meanwhile, Rick has to deal with a crisis involving someone he loves, and Shane travels away from the group to find medical supplies.

Here's a look:

Other Sunday shows of interest:

On the Travel Channel's Making Monsters (8 p.m.), it's the "Ultimate Haunted Houses." On the Food Network's Food Network Challenge (8 p.m.) it's time for "Halloween Ghost Story Cakes." On the channel's Halloween Wars (9 p.m.), the winners of season one are announced in "Underworld." And on TLC's Long Island Medium (10 p.m.), Theresa struggles to find balance between her work and her family in "Blessing & A Curse."

What are you going to watch?

More from around the web