While Scott turns to an unlikely ally for help, Stiles and Lydia try to uncover the truth about Parrish. ...

Scott and Malia get help to try to find Hayden and Liam. Deaton discovers something horrific about the dread doctors. Hayden and Liam will be faced with a life and death ...

Scott tries to trap one of the doctors. Meanwhile Stiles and Theo try to figure out who is taking the dead bodies. ...

Scott and his friends follow Dr. Valack's advice and experience strange effects as a result. ...

The pack enters Eichen House in order to learn more about the Dread Doctors. ...

Stiles works on tracking down a fugitive; Liam tries to be Mason's wingman at a nightclub. ...

Scott tracks a dangerous shapeshifter that has been threatening Stilinski. ...

Lydia helps a student with nightmares, while Stiles is wary of a new classmate. ...

On the eve of the start of senior year, Scott and his pack are challenged by the arrival of a new enemy. ...

In order to save the pack from Kate, Scott and Stiles return to La Iglesia. ...

Deaton visits Eichen House in a search for answers to Derek's situation; Liam's horrific hallucinations costs a win for the lacrosse team; Scott plans a magical night for ...

Meredith is brought in for questioning, but refuses to talk to anyone but Peter. Stiles and Malia head over to the lake house wherein lies the dead-pool. Scott, Derek, Ki ...

After a vain attempt to kill Parrish, it's clear that almost everyone has access to the dead-pool. Lydia dives into her grandmother's past, uncovering yet another list wh ...

With Noshiko's help, the team come up with a plan hoping to reveal the benefactor's identity. But Kate's arrival threatens to ruin it all. Malia comes face-to-face with P ...

A frantic call to the CDC has everyone paranoid, especially since it was designed to target werewolves. Scott, Malia and Kira lock themselves in the Hale vault, unaware o ...

With Violet's arrest, Garrett forces Scott to help get her back by using Liam as a bargaining chip. Stiles, Lydia and Jordan seek Meredith's help to uncover the third key ...

As another name is scratched off the list, Lydia is required to find the second key, thus revealing more targets. Scott, Stiles and Kira are on high alert after realizing ...

The gang must not only convince Liam that he is a werewolf, but must do it before the full moon that night. Lydia also finds out about the dead pool. ...

Whilst Stilinski investigates a murder, Scott has his place on the Lacrosse team threatened by a freshman. ...

Scott is anxious to end Kate's plan but first they must team up with an unlikely ally. ...

After the heartache of losing two of their own, Scott has an unexpected visit from an old friend. Does this mean they can reunite their pack or are there evil intentions ...

The Nogitsune dived his ghost ninjas, sending some to attack the sheriff and remaining deputies, then Derek's party in Deaton's vet surgery, while he leads some causing a ...

After lots of chasing, during which the Nogitsune abuses being inside Stiles to turn people against each-other, he's locked down paralyzed and Peter helps Scott and Lydia ...

The Nogitsune is overpowered and paralyzed far too easily, using his possession of Stiles to use the sheriff -whom Rafael McCall saves from prosecution, admitting the who ...

Kira's parents tell Scott's party, after they discover her part in summoning ninja ghosts, how mother Noshiko fell in love with kind Californian detention camp for Japane ...

Unlike his father, Stiles finds the courage to face the diagnosis he suffers his other's fatal brain syndrome and checks into asylum Echo House for residential therapy, w ...

Vet druid Deatan (ab)uses the local Yakuza lord's pet dog poisoning to harvest the rare venomous moss Letharia Vulpina he needs to use on werewolves. Allison accompanies ...

The sheriff confirms sharing Melissa McCall's fear that Stiles inherited his mother's incurable condition, so he's scheduled for an extensive brain scan.However this trig ...

The twins appoint themselves Alpha Scott's bodyguards, but he still escapes to meet Kira, who gets to see his werewolf state and reacts cool. Near collapsing after showin ...

The teens plans for a UV light Halloween party seem doomed by the curfew and power cut in Beacon Hills, but the gay twin decides to ingratiate himself with Danny by offer ...

Lost without a pack, the twins decide to return to high-school. Scott enlists their help when psychotic killer Barrow, who bombed a school bus, was wounded life-threateni ...

Examining one of sheriff Stiles's cold cases now he knows about the supernatural, Scott's gang discovers that a fatal car accident was caused by a werewolf, but Malia, th ...