Know Thy Enemy

Apr 07, 2011 on CW at 8:00 PM

Watch The Vampire Diaries S02E17 online


Elena and Alaric both lash out at John when Isobel’s unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell they’ll need to harness her ancestors’ power. A heartbroken Caroline doesn’t know what to do about M... (more)att. Stefan and Damon realize they have a new secret weapon.

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The House Guest
Season 2 Episode 16

Feb 24, 2011

Next episode

The Last Dance
Season 2 Episode 18

Apr 14, 2011

Guest stars

David Anders, Mia Kirshner