Grimm with Nick and Monroe

TV THIS WEEK: Grimm, Dracula, Elementary, marathons and more!

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Dec 30, 2013, 9:35 AM EST

It's marathon time, with Syfy's Being Human, The Twilight Zone and The Walking Dead filling up the schedule as we ring in the New Year. And then, immediately after the big day, CBS and NBC come back in with new episodes of some of the Thursday and Friday night shows.

This week, Penny asks Leonard a relationship question on The Big Bang Theory, Moriarty is back on Elementary, Grimm deals with a Wesen with an unusual healing ability, Grayson gets addicted to the sunlight on Dracula, and Jason struggles with the fact that his girl is betrothed on Atlantis.

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

Monday, Dec. 30

Being Human Marathon (Syfy) 8 a.m.-3 a.m.

Want to catch up before Being Human returns with its fourth season on Jan. 13? Syfy offers up a marathon, beginning with the end of season two, starting with “Don't Fear the Scott,” and running through all of season three.

Here's a promo of “Don't Fear the Scott”:

Tuesday, Dec. 31 – New Year's Eve Day

The Twilight Zone Marathon (Syfy) 8 a.m.

It's time to get your Twilight Zone on again. Syfy's annual marathon gives us two full days of episodes, with breaks for some paid advertising.

Here's the first part of “And When the Sky Was Opened”:

Doctor Who Marathon (BBC America) 8 a.m.

Or if a Doctor Who marathon is more your style, BBC America is offering up a series of specials and special episodes. Included are “An Adventure in Space and Time,” the movie about how Doctor Who got its start, and Matt Smith's final episode, "The Time of the Doctor." The marathon runs through the day until 6 a.m. Jan. 1.

Here's a look at “The Time of the Doctor”:

The Walking Dead Marathon (AMC) 9 a.m.

You may have to wait till February to see the second half of season four, but here's your chance to relive the entire series from the beginning, starting with the pilot, “Days Gone Bye.” The marathon runs in chronological order until 5 a.m. Jan. 2.

Here's a preview of the show's beginning:

Futurama Mini-Marathon (Comedy Central) 5:30 p.m.

Catch Futurama's final episodes with this mini-marathon, beginning with “Forty Percent Leadbelly” and ending with “Meanwhile.”

Here's a sneak peek at “Leela and the Genestalk”:

Wednesday, Jan. 1 – Happy New Year

The Twilight Zone Marathon (Syfy) Continuing...

Didn't get enough Twilight Zone on Tuesday? Syfy's annual marathon continues up until Jan. 2 at 9 a.m.

Rod Serling talks about “A Thing About Machines”:

The Walking Dead Marathon (AMC) Continuing...

And there's even more Walking Dead, too! Dig into the third and fourth seasons involving the prison, the Governor and Rick losing it. The marathon concludes at 5 a.m. Jan. 2.

Here's a preview of “Say The Word”:

Thursday, Jan. 2

The Big Bang Theory (CBS) 8 p.m. - “The Hesitation Ramification”

Penny gets a role on NCIS. Meanwhile, she poses a question to Leonard about their relationship, and Sheldon explores how to be funny.

Here's a preview:

Elementary (CBS) 10 p.m. - “The Diabolical Kind”

Moriarty alert! Holmes and Watson must deal with the situation as the prettiest Moriarty ever, Sherlock's former lover and his new nemesis, returns to consult on a kidnapping case. Natalie Dormer returns as Moriarty.

Here's a promo:

Friday, Jan. 3

Grimm (NBC) - “Red Menace”

Nick and Hank's latest case involves a Wesen with healing abilities. Meanwhile, Juliette helps a friend and Captain Renard issues a warning to Adalind.

Here's a look:

Dracula (NBC) 10 p.m. - “Servant to Two Masters”

Grayson struggles against his nature in hopes of being with Mina. Elsewhere, Renfield heads to Budapest and Harker comes to a realization.

Here's a promo:

Other Friday shows of interest:

On the Travel Channel's The Dead Files (10 p.m.), Steve and Amy investigate spooky paranormal activity at St. Alban's Sanatorium in “House of Horrors: Radford, VA.

Saturday, Jan. 4

Atlantis (BBC America) 9 p.m. - “The Rules Of Engagement”

Jason discovers Ariadne is betrothed to Heptarian, leading him to enter a brutal fighting tournament.

Here's a preview:

Sunday, Jan. 5

Finding Bigfoot (Animal Planet) 9 p.m. - “Big Sky Bigfoot”

The team head to Bozeman, Mont., where they travel to a nearby valley via dogsled in an attempt to find Bigfoot.

What are you going to watch?