16 Times The Vampire Diaries Shocked Our Socks Off

It wasn't enough for Katerina Petrova to show up and wreak havoc on everything and everybody as Elena's evil (and oversexed) twin. No, we had to uncover Elena's OTHER, original doppelgänger, Tatia, and then another, more love-struck twin, Amara. Nina Dobrev was definitely earning her paycheck during the seasons where she was doing double, and sometimes triple, duty. We had to construct a yarn wall to keep track of all the look-alike craziness.