This Week's TV: Season Finales Of Teen Wolf, Helix, and Walking Dead!

We've got clips teasing the major showdowns on Teen Wolf, Helix, and The Walking Dead, while Being Human counts down its final episodes. Plus, Jim Henson's Creature Shop debuts its reality show and two Birds of Prey meet on Arrow. Check out all the details below!

Tonight

Bitten (8 PM, Syfy)

When the Mutts attack, Elena is forced to disclose her secret to Philip—in defiance of werewolf laws.

Star-Crossed (8 PM, The CW)

Rule one of living in a society that segregates aliens: don't talk about their magical healing herb:

When Emery (Aimee Teegarden) is confronted by a tabloid photographer (guest star Devere Jehl) with video of her talking about cyper, she enlists Julia's (Malese Jow) help to find a replacement story for him. Meanwhile, Drake (Greg Finely) tells Roman (Matt Lanter) that Grayson's (Grey Damon) parents are the leaders of the Red Hawks. When Grayson's parents throw a big charity ball at their house, Drake makes plans to go, at Vega's request, to undertake an important mission. Roman goes to the party to make sure Drake stays out of trouble, but gets caught in the middle of a kidnapping scheme.

Being Human (9 PM, Syfy)

You know that dream where you find a room in your house that you didn't know existed? Well, this week the roommates find a hidden room in their brownstone, but it likely contains a nightmare.

Archer (10 PM, FX)

Christian Slater guest stars this week as a shady arms dealer Archer must face after avoiding a crash landing in a dangerous swamp.

Intelligence (10 PM, CBS)

Gabriel's brain chip turns on him. Again.

When Gabriel sees himself as the suspected murderer in his crime scene cyber-render, he and Riley must find the mastermind who is framing him. Meanwhile, Lillian is relieved of duty and Tetazoo takes charge with a full-scale manhunt for Gabriel and Riley.

Lost Girl (10 PM, Syfy)

The team tracks down a vengeful Fae (with zombies) after Bo, while Kenzi receives a surprise. More importantly, Linda Hamilton guest stars.

Teen Wolf (10 PM, MTV)

Last week's episode already gave us one major death—so what's in store for the season finale? Stiles and Derek will do battle, and each of them brought back up. Will both characters come out of this alive?

Rick and Morty (10:30 PM, Adult Swim)

Summer gets a job at an oddball curio shop, and Rick immediately suspects the owner of being the devil. Well, the owner of the shop is Mr. Needful, meaning he sells Needful things.

Tuesday

From Dusk Till Dawn (9 PM, El Rey)

While Richie continues to deal with his visions, Seth and Carlos plan to cross the border. In the meantime, the Fullers' RV breaks down and Ranger Gonzalez calls for help. Somehow I doubt "help" is what they'll find.

Supernatural (9 PM, The CW)

Hmm, Henry Winchester and his "female companion"? Does that mean we're learning about Sam and Dean's grandmother? (Edit: Commenters note that Josie is the lady whose body is inhabited by Abaddon)

Dean (Jensen Ackles) struggles with the after effects of the Mark of Cain. Meanwhile, Sam (Jared Padalecki) hears about a case where straight-laced people are turning into violent murderers. Sam suspects possession and suggests to Dean that they investigate, but Dean tells him to go without him. While interviewing the local townsfolk, Sam meets an elderly woman named Julia (guest star Jenny O'Hara), who tells him the Men of Letters came to town in 1958. Josie tells Sam the story of a young man named Henry Winchester (guest star Gil McKinney) and his female companion, Josie Sands (guest star Alaina Huffman). While Sam is away, Crowley (Mark Sheppard) tests Dean.

Jim Henson's Creature Shop Challenge (10 PM, Syfy)

Ten creature builders compete for a dream job at Jim Henson's Creature Shop, which means everybody is here to make friends—even if they have to build them from scratch. Their first challenge: making creatures from an undersea realm that has been untouched by humanity.

Person of Interest (10 PM, CBS)

What happens when the Machine team plays politics?

Finch and Reese must delve into the murky waters of international politics when they are given the number of a former government contractor who is stalking a UN diplomat. Also, an enemy attempts to gain an upper hand on Root.

Wednesday

Teen Titans Go! (7:30 PM, Cartoon Network)

When Killer Moth offers a reward for Silkie's return, the Titans have to consider whether Silkie would be happier away from the Titans.

Arrow (8 PM, The CW)

Last week gave us the Suicide Squad; this week gives us the first meeting of the Birds of Prey:

When Frank Bertinelli (guest star Jeffrey Nordling) is arrested, Oliver (Stephen Amell) knows it's only a matter of time before his daughter, Helena, AKA The Huntress (guest star Jessica De Gouw), returns to town. To make matters worse, Laurel (Katie Cassidy) is picked to try Frank's case, putting her right in the path of Helena. Oliver tells Sara (Caity Lotz) he will handle his ex-girlfriend, but when Helena takes hostages at the courthouse, including Laurel, the Canary will stop at nothing to save her sister. When The Huntress and Canary meet, an epic battle begins. Meanwhile, Roy (Colton Haynes) realizes he needs to keep Thea (Willa Holland) safe, but doesn't like the way he is forced to go about it.

The 100 (9 PM, The CW)

Could Jasper really survive a spear to the chest? Are there medically sophisticated beings running around those woods?

Having discovered that Jasper (Devon Bostick) may still be alive, Clarke (Eliza Taylor), Bellamy (Bob Morley), Octavia (Marie Avgeropoulos), Finn (Thomas McDonell) and Monty (Chris Larkin) set out on a mission to locate their friend and are shocked at what they find. Meanwhile, on the Ark, Abby (Paige Turco) is determined to get to Earth, and enlists Raven (guest star Lindsey Morgan) to craft an escape pod.

Thursday

Once Upon a Time in Wonderland (8 PM, ABC)

So Cora sent the Knave to hunt Alice, much like Regina sent the Huntsman after Snow White. Like mother, like daughter.

In flashback, the Knave hunts Alice per Cora's directive and he finds himself striking a deal to get his heart back, while in present day Wonderland, Alice and the Knave's friendship is tested as he does Jafar's bidding and steals from her. Meanwhile, the Jabberwocky attempts to free herself from Jafar's control and Jafar is confronted by his former partner.

The Vampire Diaries (8 PM, The CW)

What happens when two vampires attend a parent-teacher conference for a vampire hunter?

In order to keep Stefan (Paul Wesley) from being harmed by Sloan (guest star Caitlin McHugh) and the Travelers, Caroline (Candice Accola) and Enzo (guest star Michael Malarkey) agree to make a trip to Atlanta to find a newly discovered doppleganger. Caroline is surprised when Enzo opens up to her about his past. Damon (Ian Somerhalder) and Elena (Nina Dobrev) spend an awkward afternoon at Jeremy's (Steven R. McQueen) parent-teacher conference, where they hear bad news about his behavior at school. Afterwards, Damon reluctantly tells Elena upsetting news about Jeremy's personal life. Bonnie (Kat Graham) has an unsettling encounter with Luke (guest star Chris Brochu), and learns more about his family history. Liv (guest star Penelope Mitchell) fills Jeremy in on the rumors about the Travelers' next move and demonstrates her considerable power. Jeremy makes an unexpected deal with Liv, then makes a decision that is devastating to Elena. Stefan and Caroline share a special moment of friendship. Finally, a terrifying turn of events at the Travelers' camp leads to the appearance of their mysterious leader, Markos (guest star Raffi Barsoumian).

Vikings (10 PM, History Channel)

Lagertha and Ragnar unite once again and together fight to win Kattegat back from Jarl Borg. Aslaug must face the truth of her prophecies. Athelstan struggles to define his faith. Bjorn must once again make a choice.

Friday

Helix (10 PM, Syfy)

Helix wraps up its season of death and infection this week. Who will live? Who will die? Will it make any sense?

Saturday

Walking Dead Marathon (8 PM, AMC)

Need to catch up on this season of The Walking Dead? AMC is airing the entire season starting with "30 Days Without an Accident" Saturday at 8 PM and leading into the season finale at 9 PM on Sunday.

Da Vinci's Demons (9 PM, Starz)

The show isn't quite headed to the New World yet as Leonardo works to restore order to Florence and Pope Sixtus unites powers against the city. Meanwhile, Nico attempts to withstand Riaro's temptations.

Space Dandy (11:30 PM, Adult Swim)

This week's season finale is titled, "Even Vacuum Cleaners Fall in Love, Baby."

Sunday

Once Upon a Time (8 PM, ABC)

Amidst the witchy war raging among our fairytale characters, the episode "Quiet Minds" will reportedly center on Belle.

Believe (9 PM, NBC)

This week, Bo wants to reunite a pair of long-lost lovers, naturally:

As the dragnet closes, Tate (Jake McLaughlin) puts his freedom at risk to help Bo (Johnny Sequoyah) find the writer of a long-lost love letter. Meanwhile, Winter (Delroy Lindo) makes preparations for an escape from Manhattan as Skouras (Kyle MacLachlan) and Agent Ferrell (Trieste Kelly Dunn) ramp up the effort to bring Tate and Bo into custody.

Cosmos (9 PM, Fox)

Our latest spacetime odyssey takes us to a black hole:

Neil deGrasse Tyson sets off on the Ship of the Imagination to explore how light, time and gravity alter our perception of the universe. Travel back in time to 1809, when astronomer William Herschel (guest voice Stewart) observes how light plays tricks with time and gravity. Later, Tyson embarks on an exhilarating journey to the event horizon of a black hole.

Resurrection (9 PM, ABC)

As Bellamy and Fred search for the murderous Caleb, we wonder if the Resurrected are really back for good:

Bellamy and Sheriff Fred form an uneasy partnership to find Caleb, who has gone on the run after Dale's murder. After Jacob suffers a seizure, Maggie gives him a checkup at the clinic and is shocked by what she finds. Pastor Tom adjusts to the unexpected presence of his old love Rachael (guest star Kathleen Munroe) in Arcadia.

The Walking Dead (9 PM, AMC)

This has been a heady season, taking us from plague to all-out war to desperate tragedies. What will our survivors find in Terminus? Here's the ominous episode description:

As multiple paths collide, Rick comes face to face with sheer brutality. Will he and the group have what it takes to survive?