Teen Wolf

When Lydia goes missing from the hospital, werewolves and hunters alike begin a search to discover not only where she is, but what she's become.

When Isaac's father is murdered and Isaac is arrested, Scott, Stiles and Derek resolve to break him out before the Argents can get to him first.

Scott tries to stop Derek from creating new werewolves. Argent decides to begin Allison's training. And the new creature in town takes another victim.

When the shapeshifter strikes again -- nearly claiming Derek -- Scott recruits a reluctant Allison to acquire a rare book from Gerard's collection.

Derek becomes convinced that Lydia is the shapeshifter they're after, forcing Scott to gather his friends -- and even some enemies -- to protect her.

With startling new information about the shapeshifter, Scott and Stiles hurry to protect their friends while Allison is given a task by her family.

As Lydia makes connections about the bite from Peter, Jackson causes problems for Scott and Stiles while Derek doubts his leadership abilities.

During a concert, Scott and Stiles come up with a way to trap the new shapeshifter. And Allison's mother comes up with a plan to take care of Scott.

Even as his relationship with Allison is further strained, Scott must attend Lydia's birthday party while Derek decides to lock up his new wolves.

Scott, Stiles, Melissa and Stilinski are taken hostage in the Sheriff's station. Allison then tracks Derek to the station, bringing Argent and Gerard.

Scott must help win the championship lacrosse game while also trying to figure out how to stop Gerard. Alison and Argent continue their hunt of Derek.

In the season finale, still reeling from a shocking death on the lacrosse field, Scott and his friends rush to figure out Gerard's master plan.