One last stand is made by Scott, Derek and their allies.
Kira finds herself facing an unexpected antagonist; Scott and his friends try to survive against an enemy growing ever stronger.
Scott and Lydia combine abilities in an attempt to gain the upper hand; Stillinski's future will be decided by a review board.
An important clue is revealed in the story of a World War II internment camp; Kira's role is more crucial, and she discovers unusual abilities.
Stiles has to make an important decision over Eichen house. Scott and his friends seek out an important Japanese artifact.
Scott and the others try to prevent a disaster; Lydia and Allison seek out an unlikely teacher. Stiles is still possessed by the nogitsune.
Stiles goes missing; Scott and the others set off on a search; Lydia tries to master her new abilities.
Scott's friends pledge to protect him; Argent, Isaac and Allison search for answers;Stiles may be the dark spirit the oni seek.
Beacon Hills is under curfew from the power outage; the teens throw a blacklight Halloween party; Scott tries to earn Kira's trust.
William Barrow, an electrical engineer turned mass murderer, escapes during surgery and hides out in the school.
Scott and his friends ponder catching the werecoyote before it is hunted down; an unlikely ally helps Derek and Peter break out.
Scott, Stiles and Allison suffer side effects from the ritual sacrifice; Sheriff Stilinski searches through old cases.
Scott and his friends use an ancient ritual to save the lives of their loved ones and stop Deucalion.
Scott must make a difficult choice to save friends and family; Derek and Peter contemplate a way to save Cora's life.
Trapped by a storm in a hospital, Scott and Derek must defend themselves against the Alphas; saving Cora's life.
Allison suspects that someone close to her is involved with the murders; Scott and Stiles want to use Lydia's talents to solve the murders.
While looking for answers, Scott, Allison and Stiles hear stories told by two unlikely narrators and discover a secret about the color of a werewolf's eyes.
The Darach targets Deaton as the next sacrifice, leaving him hanging by his wrists to die. Kali and the twins go after Derek.
Scott and the others suffer strange experiences while stranded at a motel; considering the killer's newest targets.
During a bus ride to a cross-country meet, Scott and his friends flash back to the events of a pre-emptive strike against the Alphas, which has left several injured and possibly one or more dead.
Scott tries to keep Isaac from confronting the twins in school; Stiles tries to prove his theory about the killings.
Boyd and Cora are under the influence of the full moon; Scott and Derek seek help from an unlikely ally.
One of Stiles' childhood friends goes missing, Scott begins his new fight against the Alpha pack, Lydia and Allison investigate a new mystery, the alpha pack reaches out to Peter and the werewolf hunters begin to recruit after the alpha pack kills one of their own.
Derek and Isaac search for Erica and Boyd, and a new wolf pack arrives in town with its own menacing Alpha.
