Fully ready to face off with the Olympics, AMC's smash hit The Walking Dead returns to chew up the competition with the second half of its fourth season. The other enormous event of the week is an appearance by comic-book god Stan Lee in Marvel's Agents of S.H.I.E.L.D.

Also this week, Kennex and Dorian take on a homicidal robot on Almost Human, Elena and Clay get naked on Bitten, Joe embraces his inner psychopath on The Following, J.T. gets kidnapped on Beauty and the Beast, Sally investigates a mysterious girl on Being Human, Gabriel goes up against a Mexican cartel on Intelligence, Scott tries to dodge the weird masked dudes on Teen Wolf, Kenzi makes a confession on Lost Girl, Pam gets an intervention on Archer, Klaus has witchy trouble on The Originals, Ravenswood has its season finale, Sam and Dean work at a spa on Supernatural, the artists create rock stars on Face Off, Reese returns to New York on Person of Interest, the Canary is back on Arrow, Stephen tries to make a deal to protect Astrid on The Tomorrow People, Sheldon and Howard take their ladies on a train on The Big Bang Theory, Enzo continues his trouble-causing ways on The Vampire Diaries, Sherlock and Joan go to the ballet on Elementary, lots of creepy stuff continues to happen on Helix, and Jason tries to keep a promise on Atlantis.

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

Monday, Feb. 3

Almost Human (Fox) 8 p.m. - “Unbound”

Kennex and Dorian hunt down a homicidal robot with a little help from guest star John Larroquette.

Here's a look:

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Bitten (Syfy) 8 p.m. - “Grief”

Elena and Clay go after the killer Mutt, only to realize that a devious plot is afoot.

Here's a naked sneak peek:

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The Following (Fox) 9 p.m. - “Trust Me”

The FBI catch on to Ryan's true agenda. Meanwhile, Joe makes a killer new plan.

Here's a preview:

Beauty and The Beast (The CW) 9 p.m. - “Recipe for Disaster”

J.T. is kidnapped, leading Cat and Vincent to join forces to try and find him. Meanwhile, FBI Agent Dana Landon has a run-in with a stranger who might have information about Vincent's past.

Here's a look:

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Being Human (Syfy) 9 p.m. - “Panic Womb”

Aidan and Kat get closer, while Sally investigates the mystery of “Lil' Smokie.”

Here's a look:

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Intelligence (CBS) 10 p.m. - “The Rescue”

Gabriel and Riley travel to Mexico to save the daughter of a senator who's been kidnapped by a Mexican cartel. Meanwhile, Lillian learns that her father, Leland (Peter Coyote), has a connection to the cartel.

Here's a preview:

Teen Wolf (MTV) 10 p.m. - “Silverfinger”

The weird dudes in the masks go after Scott.

Here's a promo:

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Lost Girl (Syfy) 8 p.m. - “Tune to Stone”

Bo goes up against a dangerous foe, and Kenzi makes a confession that might just change her relationship with Bo forever.

Here's a Dyson-and-Bo-get-it-on peek:

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Archer (FX) 10 p.m. - “Archer Vice: House Call”

Archer stages an intervention for Pam that goes awry.

Here's a look:

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Tuesday, Feb. 4

Marvel's Agents of S.H.I.E.L.D. (ABC) 8 p.m. - “ T.R.A.C.K.S. ”

Stan Lee alert! The Great One himself pops by for a cameo, while the team goes undercover on a train to find the Clairvoyant.

Here's a promo:

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The Originals (The CW) 8 p.m. - “Crescent City”

A witch from Elijah's past causes trouble between the witches and the vampires. Meanwhile Sophie makes a shocking discovery at the cemetery.

Here's a look:

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Ravenswood (ABC Family) 9 p.m. - “My Haunted Heart”

Season finale! The day of reckoning has arrived. Meanwhile, Hanna arrives in town.

Here's a preview:

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Supernatural (The CW) 9 p.m. - “The Purge”

Sam and Dean go undercover at a spa when some of their clients experience a killer weight loss.

Here's a promo:

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Face Off (Syfy) 9 p.m. - “Guitar Gods”

The artists are tasked with a rock 'n roll challenge where they must create an original rock star character.

Here's a look:

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Person of Interest (CBS) 9 p.m. - “Provenance”

Reese returns to New York and joins the gang in a risky undertaking.

Here's a look:

Other Tuesday shows of interest:

On Syfy's Opposite Worlds (9 p.m.), there's a new episode called “Time,” where, undoubtedly, something interesting happens.

Wednesday, Feb. 5

Arrow (The CW) 8 p.m. - “Heir to the Demon”

Dinah is kidnapped, which leads the Black Canary to take drastic action. Meanwhile, Laurel continues on her destructive path.

Here's a preview:

The Tomorrow People (The CW) 9 p.m. - “Things Fall Apart”

Stephen takes on a dangerous assignment for the Founder, and a secret about Stephen's mother is revealed.

Here's a promo:

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Ghost Hunters (Syfy) 9 p.m. - “Don't Forget About Us”

TAPS investigates an oddly shaped house with many secret passages.

Here's a sneak peek:

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Other Wednesday shows of interest:

On Syfy's Opposite Worlds (9 p.m.), there's a new episode called “Live: Battle,” where undoubtedly something interesting happens live.

Thursday, Feb. 6

The Big Bang Theory (CBS) 8 p.m. - “The Locomotive Manipulation”

Romance is in the air when Sheldon and Amy join Howard and Bernadette on a train ride to wine country. Meanwhile, Penny and Leonard must rush Raj's dog to the vet.

Here's a look:

The Vampire Diaries (The CW) 8 p.m. - “Total Eclipse of the Heart”

Enzo causes trouble. Meanwhile, Caroline convinces Bonnie and Elena to go to a dance for broken-hearted students. Don't they know by now, dances and parties = dead people.



Here's a preview:

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Elementary (CBS) 10 p.m. - “Corpse de Ballet”

It's murder at the ballet for Sherlock and Joan when an up-and-coming ballerina is murdered. Meanwhile, Watson takes on a case by herself when a homeless vet claims his friend was abducted.

Here's a promo:

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Conan (TBS) 11 p.m.

The Walking Dead alert! In their first-ever joint interview, the cast of The Walking Dead will appear together for a late-night interview by Conan O'Brien. Joining in to whet your appetite for the upcoming Sunday premiere of the mega hit are Andrew Lincoln (aka Rick Grimes), Norman Reedus (aka Daryl Dixon), Lauren Cohan (aka Maggie Greene), Steven Yeun (aka Glen Rhee), Danai Gurira (aka Michonne) and Melissa McBride (aka Carol Peletier). By the way, note that McBride is in the group, which may just mean we're going to see Carol make a return appearance now that her getting kicked out of the group probably turned into a good thing for her. Or she could just pop up as a walker.

Here's a previous interview on Conan with Lauren Cohan about getting the Death Call:



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Friday, Feb. 7

Helix (Syfy) 10 p.m. - “Aniqatiga”

Alan and Jordan continue their work to decode the virus. Meanwhile, Hatake attempts to cure Walker.

Here's a sneak peek:

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Other Friday shows of interest:

On the Travel Channel's Ghost Adventures (9 p.m.), the guys investigate a 600-year-old Romanian fortress that once imprisoned Vlad the Impaler in “Romania: Hunedoara Castle.”

Saturday, Feb. 8

Atlantis (BBC America) 9 p.m. - “Touched by the Gods”

In the penultimate episode, Jason tries to keep his promise to Circe, which leads him into a dangerous situation.

Here's a preview:

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Sunday, Feb. 9

The Walking Dead (AMC) 9 p.m. - “After”

Midseason premiere! After the devastating attack on the prison, Rick and the others try to survive on the road.

After the show at 10 p.m., Talking Dead features Danai Gurira (aka Michonne) and executive producer Greg Nicotero, who discuss the developments in “After.”

Here's a preview of “After”:

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Other Sunday shows of interest:

On Animal Planet's Finding Bigfoot (10 p.m.), the team heads to West Virginia and hunts for witnesses.

What are you going to watch?