“Teen Wolf” Season 3, Episode 9 “The Girl Who Knew Too Much,” airs tonight on MTV.
In tonight’s episode, Allison begins to suspect someone close to her may be involved in the murders, while Scott and Stiles conclude that Lydia’s rising talents may be the key to solving them.
The killer will be revealed tonight at 10/9c on MTV, so tune in to see how the drama unfolds. Until then, check out this sneak peak below.