Episode: 2x18 (Season 2 Episode #18) Aired: April 14, 2011 The Last Dance Plot: The high school gets ready for a 1960s-themed dance and begins receiving alarming messages from Klaus via an unusual source. Bonnie tries to convince Jeremy that she has enough strength to help Elena, but Jeremy, concerned, goes to Stefan for advice. Caroline convinces talks Matt to take her to the dance. Damon and Alaric attend the dance as chaperons, expecting Klaus to show up, but Klaus is playing a complicated game that keeps them guessing. Eventually, Damon comes up with a new plan that surprises and upsets everyone.