Teen Wolf Season 2 Episode 1 : Omega

Jackson is shown with a wolfbite, implying Derek bit him. When Allison's father forbids Allison to be with Scott, they make it work behind his back. At the hospital, Lydia, finally awake, vanishes while showering when the tub suddenly fills with black water and a burnt arm grabs her. Scott and Stiles then try to trace her scent and find her. In a graveyard, a tormented teen named Isaac is working on Kate's grave before being attacked; Derek appea...