In last week’s Teen Wolf, Stiles (Dylan O’Brien) decided that virginal sacrifices are happening. In Beacon Hills. In 2013. In Season 3, Episode 4, “Unleashed,” his thesis had to be tweaked a bit, to include some ancient sects. That’s s-e-c-t-s. Scott’s helping out Dr. Deaton out with a fluffy dog and his teenaged owner, Kyle. When the high schooler makes an alpha joke, Deacon gets far too disturbed. After Kyle goes outside — and instantly loses his dog Bullet when he takes off like a shot —...