Jeremy is delighted to have Bonnie restored to her powers, yet worried when accompanying her and Damon to the house where a 100 witches were burned to gather enough power to undo the ... See full summary »

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(developed for television by), (developed for television by) | 2 more credits »
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Caroline Forbes (as Candice Accola)
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Tyler Lockwood (credit only)
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Alaric Saltzman (as Matt Davis)
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Storyline

Jeremy is delighted to have Bonnie restored to her powers, yet worried when accompanying her and Damon to the house where a 100 witches were burned to gather enough power to undo the moonstone's curse. Elena's mother Isobel Flemming's return startles her and even Katherine, as turns out doing Klaus's bidding for a gruesome 'prize'. John Gilbert confesses more wrong choices, also at Jenna's expense, yet unlike furious Alaric, Elena ends up choosing to keep her father in her life. The Salvatore brothers piece together from the Gilbert diaries what they believe equals a secret weapon. Matt can't handle the vampire truth and get Caroline to wipe his memory. Written by KGF Vissers

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ritual | fire | fight | kidnapping | fall | See All (5) »


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TV-14 | See all certifications »
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7 April 2011 (USA)  »

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1.78 : 1
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Goofs

When Caroline is telling Stefan about Matt, Stefan tells her to compel him and asks if the vervaine is out of his system. Caroline says she slips it in his soda but didn't get to the night before so it should be out of his system. All other times it takes three days for the vervaine to leave someone's system. See more »

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Give Me Strength
(uncredited)
Performed by Snow Patrol
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User Reviews

 
Lies, Betrayals and a Surprise
3 November 2013 | by (Rio de Janeiro, Brazil) – See all my reviews

After the arrival of Isobel, Jenna decides to leave Elena's house. Meanwhile Jeremy and Damon go with Bonnie to the house where Emily Bennet and one hundred witches have burnt to death to collect their power. Jeremy discovers that Bonnie has hidden the truth about the power she has acquired. Katherine steals the moonstone and Isobel abducts Alaric, betraying Elena, Damon and Stefan. Matt betrays Caroline with his mother. John finds that he has been lured by Isobel.

"Know Thy Enemy" is and episode with many lies, betrayals and a surprise in the end with the appearance of Klaus. Elena disappoints not getting rid off John when he offers the chance. My vote is seven.

Title (Brazil): "Know Thy Enemy"


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