[s1e9] — Wolf's Bane

: Derek remains a fugitive, forced to hide in Stiles’ bedroom to avoid the police and hunters. In a lighter moment, Stiles introduces Derek to Danny as his "Cousin Miguel" to maintain his cover.

: The episode reveals that Peter Hale, Derek’s uncle who was thought to be catatonic from the Hale House fire, is the Alpha werewolf. He killed Laura Hale to take her power and has been orchestrating the murders in Beacon Hills to avenge his family. [S1E9] Wolf's Bane

" Wolf's Bane ," the ninth episode of 's first season, is a pivotal turning point where the mystery of the Alpha is finally solved and Jackson's growing suspicion of Scott reaches a boiling point. Key Plot Developments : Derek remains a fugitive, forced to hide