TV THIS WEEK: Doctor Who, Army of Thieves & Paranormal Activity premiere; Chucky and La Brea; What We Do in the Shadows finale

From big movies to equally big genre shows, this week is filled with scares and sci-fi adventure — but mostly scares. Ya know, it is Halloween week after all.

On the premiere side, we have the Halloween-focused season premiere of Doctor Who, kicking off Jodie Whittaker's final run in the TARDIS. If you're looking for something a bit more sci-fi, The CW's reboot of 4400 makes its debut this week as well. On the film side, Paranormal Activity: Next of Kin hits Paramount Plus for some old school ghostly horror, and the Army of the Dead spinoff Army of Thieves hits Netflix.

This week also brings the end of What We Do in the Shadows' latest season, new episodes of Chucky and Day of the Dead on SYFY, a new La Brea on NBC, the premiere of animated series Star Trek: Prodigy on Paramount Plus, a new Doom Patrol on HBO Max, plus new episodes of Invasion and Foundation on Apple TV+.

But that's (still) not all! The CW has the 100th episode of Legends of Tomorrow, which will be loaded with guest stars and surprises. AMC has new episodes of Fear the Walking Dead and The Walking Dead: World Beyond, and SYFY has a double feature of the 1984 and 2010 editions of A Nightmare on Elm Street for Halloween.

Dig into the full rundown below.

HIGHLIGHTS

4400 (The CW), Monday 9 p.m. - "Past Is Prologue"

SERIES PREMIERE: As the 4400 return, the government tries to understand the phenomenon and analyze the potential threat; an empathetic social worker and a hardened community corrections officer are among the civil servants tapped to deal with the uncanny refugees.

La Brea (NBC), Tuesday 9 p.m. - "The Fort"

Eve, Levi and the rest of the search party explore a mysterious fort that raises more questions than answers; with the help of a new ally, Gavin and Izzy embark on a dangerous and unauthorized mission to save their family despite government warnings.

Chucky (SYFY), Tuesday 10 p.m. - "I Like to Be Hugged"

Chucky reminisces about his first murder, urging Jake to make a choice of killing or being killed.

DC's Legends of Tomorrow (The CW), Wednesday 8 p.m. - "wvrdr_error_100<oest-of-th3-gs.gid30n> not found"

100TH EPISODE: Gideon becomes overwhelmed by her new human choices, sending her into a catatonic state; Astra and Spooner combine their powers to enter Gideon's mindscape and discover that a virus is trying to erase all of Gideon's memories.

What We Do in the Shadows (FX), Thursday 10 p.m. - "The Portrait"

SEASON FINALE: The housemates grieve the loss of one of their own.

Army of Thieves (Netflix), Friday

FILM PREMIERE: In this prequel to Zack Snyder's Army of the Dead, small-town bank teller Dieter gets drawn into the adventure of a lifetime when a mysterious woman recruits him to join a crew of Interpol's most wanted criminals, attempting to heist a sequence of legendary, impossible-to-crack safes across Europe.

Paranormal Activity: Next of Kin (Paramount Plus), Friday

FILM PREMIERE: This Halloween, The Activity is Reborn. Paranormal Activity: Next of Kin premieres exclusively on Paramount+.

Doctor Who (BBC America), Sunday 8 p.m. - "The Halloween Apocalypse (Extended Cut)"

SEASON PREMIERE: An eccentric yet compassionate extraterrestrial Time Lord ventures through time and space to battle injustice and solve problems across the universe.

MONDAY

4400 (The CW), Monday 9 p.m. - "Past Is Prologue"

See more in our "Highlights" section above.

Ordinary Joe (NBC), Monday 10 p.m. - "Always Do the Right Thing"

With Jenny out of town for work, Nurse Joe faces the challenges of parenting Christopher alone; Music Joe brings unexpected attention to his son, Zeke; Cop Joe and Amy struggle with a major decision that could upend their world.

TUESDAY

DC's Stargirl (The CW), Tuesday 8 p.m. - "Summer School: Chapter Twelve"

With the looming threat of Eclipso hanging over them, Courtney seeks help from an unlikely place; Mike's search to find Thunderbolt leads him to Jakeem; Pat goes to extreme lengths to protect Rick.

La Brea (NBC), Tuesday 9 p.m. - "The Fort"

See more in our "Highlights" section above.

Supergirl (The CW), Tuesday 9 p.m. - "I Believe In a Thing Called Love"

When Lex Luthor appears by Nyxly's side, Supergirl and the team must deal with the emotional fallout of facing their two biggest foes at the same time; Alex makes plans for the perfect proposal to Kelly, but work keeps getting in the way.

Chucky (SYFY), Tuesday 10 p.m. - "I Like to Be Hugged"

See more in our "Highlights" section above.

WEDNESDAY

DC's Legends of Tomorrow (The CW), Wednesday 8 p.m. - "wvrdr_error_100<oest-of-th3-gs.gid30n> not found"

See more in our "Highlights" section above.

Batwoman (The CW), Wednesday 9 p.m. - "Freeze"

An unfortunate incident in downtown Gotham alerts Batwoman and the Bat team that another missing trophy has made its way into the wrong hands; a new member of the Jet family surfaces.

THURSDAY

Star Trek: Prodigy (Paramount Plus), Thursday - Series Premiere

SERIES PREMIERE: The first Star Trek series aimed at younger audiences and will follow a motley crew of young aliens who must figure out how to work together while navigating a greater galaxy, in search for a better future. These six young outcasts know nothing about the ship they have commandeered – a first in the history of the Star Trek franchise.

Doom Patrol (HBO Max), Thursday - New Episode

Your favorite band of super-powered freaks are back to fight for a world that wants nothing to do with them. Part support group, part superhero team, the Doom Patrol is at a crossroads as each member struggles to face who they are and who they want to be.

Toy Story of Terror! (ABC), Thursday 8 p.m.

When Woody, Buzz and the gang stop at a motel, one of them goes missing and the rest must figure out what is going on before they suffer the same fate.

Legacies (The CW), Thursday 9 p.m. - "We All Knew This Day Was Coming"

Hope realizes she has a difficult choice to make, much to Alaric's disapproval; Kaleb and MG come up with their own plan to help Hope; Alaric realizes he needs to relinquish control.

Ghosts (CBS), Thursday 9 p.m. - "Halloween"

The ghosts try to help Sam and Jay protect their home from the neighborhood kids who annually vandalize the house on Halloween.

What We Do in the Shadows (FX), Thursday 10 p.m. - "The Portrait"

See more in our "Highlights" section above.

FRIDAY

Army of Thieves (Netflix), Friday

See more in our" Highlights" section above.

Paranormal Activity: Next of Kin (Paramount Plus), Friday

See more in our "Highlights" section above.

Foundation (Apple TV+), Friday - "Mysteries and Martyrs"

Based on the award-winning novels by Isaac Asimov, "Foundation" chronicles a band of exiles on their monumental journey to save humanity and rebuild civilization amid the fall of the Galactic Empire.

Invasion (Apple TV+), Friday - "The King Is Dead"

A sweeping, character-driven science fiction drama series that follows an alien invasion through different perspectives around the world.

Scooby-Doo, Where Are You Now! (The CW), Friday 8 p.m.

The Scooby Gang ends up investigating a mystery when they gather to reminisce about their favorite cases; host Janel Parrish.

Nancy Drew (The CW), Friday 9 p.m. - "The Secrets That You Keep"

Life-threatening sleepwalking suddenly spikes in town; Nancy questions whether the case of the Frozen Heart murders has been solved; Nancy's feelings for Ace resurface; George is shaken by a friend request.

Eli Roth's History of Horror (AMC), Friday 10 p.m. - "Holiday Horror"

Holiday mayhem, including "Black Christmas," "Krampus," "Silent Night Deadly Night," "Terror Train," "My Bloody Valentine," "Mother's Day," "April Fool's Day," "Happy Death Day" and the 2018 "Halloween," featuring returning guest Jamie Lee Curtis.

Day of the Dead (SYFY), Friday 10 p.m. - "The Grey Mile"

Jai, Cam and Lauren take a stand to save the retirement home from the dead.

SATURDAY

A Nightmare on Elm Street (1984) (SYFY), Saturday 8 p.m.

Freddy Krueger, a badly burned boogeyman with razors on his glove, haunts and kills teens in their dreams.

A Nightmare on Elm Street (2010) (SYFY), Saturday 10 p.m.

Teens (Rooney Mara, Kyle Gallner) struggle to stay awake when a razor-gloved killer (Jackie Earle Haley) invades their dreams.

SUNDAY

Doctor Who (BBC America), Sunday 8 p.m. - "The Halloween Apocalypse (Extended Cut)"

See more in our "Highlights" section above.

Legends of the Hidden Temple (The CW), Sunday 8 p.m. - "The Nyanga Legend of Mwindo"

Tensions run high as the teams tackle a scandalous new legend to win the temple run and chance at the grand prize.

The Witches (TBS), Sunday 8 p.m.

NETWORK PREMIERE: An orphan and his grandmother travel to a seaside resort at precisely the same time that the world's Grand High Witch has gathered her fellow cronies from around the globe — under cover — to carry out her nefarious plans.

Fear the Walking Dead (AMC), Sunday 9 p.m. - "Cindy Hawkins"

June and Dorie's routine in Teddy's fallout shelter is disrupted when they discover the origins of their home and its sinister connections to Teddy's past.

The Walking Dead: World Beyond AMC), Sunday 10 p.m. - "Quatervois"

Members of the group put a dangerous plan into motion, while others have serious reservations; more startling revelations come to light.

*TV listing information via Zap2it, network and streaming listings.