With both lives and friendships on the verge of being destroyed, Scott and his pack face their greatest enemy yet. ...

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. ...

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 ...

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. ...

Scott McCall was just another kid in high school. Until, one night his best friend Stiles brings him to the woods, to look for a dead body, and Scott is bitten by a werew ...

As the girls make tough decisions, McKenna must face a hard truth that could change everything. ...

The gang gets help from an unlikely source. McKenna pressures Violet to deliver on a promise. ...

The girls start to piece together the clues to the curse. Trey faces an unthinkable task. ...

The gang turns to April, for help. Alex agrees to confront her greatest fear. ...

Alex and Peri's cabin escape takes an unpleasant turn. The rest of the gang struggle to help a friend. ...

The girls come up with a new plan that soon causes friction. Trey and Sammi prepare for a huge life change. ...

Violet encounters an old friend in the most unlikely of places. McKenna tries to find answers, only to find more trouble. ...

It's New Year's Eve as the girls anxiously celebrate their return to normal. Trey and Sammi's band, Bit of Decay, play their biggest show yet. ...

The girls have a new lead that could fix all their problems -- but to see it through, they will have to risk it all. ...

McKenna has an unconventional proposal. ...

Violet recounts an important story from her past. ...

Determined to get answers, McKenna devises a new plan. ...

A dangerous secret about Violet is revealed. ...

Violet continues her manipulation. Trey is helped by an unlikely ally. ...

Violet uncovers crucial information about the girls' relationship. ...

As McKenna investigates Violet, she finds herself haunted by nightmares of her past. ...

Trey reveals surprising new details about the night of Olivia's party. ...

It's Olivia's 18th birthday party and McKenna is going with her longtime crush, Henry. But a shocking discovery gives the night an unexpected turn. ...