By Christian Cintron, Hollywood Staff
This episode focuses on the many faces of Nina Dobrev. Dobrev has portrayed two of television's most wildly different twinsies (or more realistically doppelgängsies). Elena Gilbert and everyone on the show has been dealing with the onslaught of Katherine Pierce's schemes, tricks, and violence since Season 1. 100 episodes later it looks like Katherine Pierce is no more. As part of the anniversary episode festivities there are a ton of reappearances by characters that have come and gone.