The Vampire Diaries: S2 E17 "Know Thy Enemy" (Patreon)

Isobel unexpectedly returns, leaving Jenna devastated and causing both Elena and Alaric to lash out at John. Meanwhile, Bonnie, Damon and Jeremy try to find a spell to harness her ancestors' power, and a heartbroken Caroline attempts to figure out what to do about Matt. Elsewhere, Stefan and Damon realize that they have a new weapon.

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