Deaton finds new information about the Dread Doctors while Scott and Malia come up with a plan to help their friends.
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 tracks a fugitive; and Liam plays wingman for Mason at a nightclub.
Scott tracks a new shapeshifter that's threatening Stilinski; and Malia receives information about her mother.
Scott and Stiles look to help out Kate against the pack.
Satomi's pack looks for protection from Scott and others. Malia and Stiles find out more secrets about the dead pool list.
Scott carries out a dangerous plan. Meanwhile, Malia confronts her past.
The school is under quarantine when a deadly virus hits it; Meanwhile, Braeden is shot.
Lydia is looking for assistance with her powers; Scott, Stiles and Kira engage in their first lacrosse game together.
Scott's position on the lacrosse team is threatened. Meanwhile, Stilinski investigates a murder.
Scott turns to an unlikely ally in order to stop Kate.
Scott searches for a missing friend in Mexico in the Season 4 premiere.
Stiles is locked up while the rest try to figure out whether or not they need to sacrifice Stiles to get rid of the Nogitsune.
When Christy asks Zach out on a date and insists on bringing the camera crew, he excitedly wonders what her intentions are. Since making a sex tape leads to stardom these days, he needs to "brush up" on his "moves" to be ready.moreless
When Christy invites Zach to a week-end pool party, he wants to show off his new image. After getting a full makeover, he's ready for his big reveal but his attention shifts when he witnesses a spark between Amy and Nick.moreless
Zach sets his sights on being the front man for the world's first ringtone band.
Zach Stone decides to produce a reality show and find fame, rather than go to college.
Jody Adair escapes custody, leaving Raylan compelled to track him down. Boyd and Ava work their way into a high society party to fish out Drew Thompson, but find far more than they expected.moreless
Adam, Melissa, and Jake set out on a mission to save Faye after she is attacked by the Witch Hunters. Blackwell tries to convince Cassie and Diana that the only way to stop the Witch Hunters is to use their Balcoin blood to unleash the Crystal Skull. Diana is reluctant to go along with the plan, but Cassie convinces her it's the only way to help their friend. However, Diana will need to tap into her dark magic for the plan to work. Dawn and Charles have an opportunity to get their power back, but it comes at a high cost.moreless