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The Vampire Diaries: 2x17
Know Thy Enemy
Elena and Alaric both lash out at John when Isobelโs unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell theyโll need to harness her ancestorsโ power. A heartbroken Caroline doesnโt know what to do about Matt. Stefan and Damon realize they have a new secret weapon.
2 - 1The Return Sep. 09, 2010
2 - 2Brave New World Sep. 16, 2010
2 - 3Bad Moon Rising Sep. 23, 2010
2 - 4Memory Lane Sep. 30, 2010
2 - 5Kill or Be Killed Oct. 07, 2010
2 - 6Plan B Oct. 21, 2010
2 - 7Masquerade Oct. 28, 2010
2 - 8Rose Nov. 04, 2010
2 - 9Katerina Nov. 11, 2010
2 - 10The Sacrifice Dec. 02, 2010
2 - 11By the Light of the Moon Dec. 09, 2010
2 - 12The Descent Jan. 27, 2011
2 - 13Daddy Issues Feb. 03, 2011
2 - 14Crying Wolf Feb. 10, 2011
2 - 15The Dinner Party Feb. 17, 2011
2 - 16The House Guest Feb. 24, 2011
2 - 17Know Thy Enemy Apr. 07, 2011
2 - 18The Last Dance Apr. 14, 2011
2 - 19Klaus Apr. 21, 2011
2 - 20The Last Day Apr. 28, 2011
2 - 21The Sun Also Rises May. 05, 2011
2 - 22As I Lay Dying May. 12, 2011