THE ULTIMATE SACRIFICE — Despite their best efforts to help Bonnie (Kat Graham) through the harrowing predicament she now faces, Damon (Ian Somerhalder), Enzo (Michael Malarkey) and Caroline (Candice King) realize their options are running out and drastic measures need to be taken. With their only chance of saving their friend lying inside the Armory, Stefan (Paul Wesley) breaks the news to Caroline that they may need help from an unlikely source – her and Alaric’s twin daughters. Elsewhere, Enzo (Michael Malarkey) keeps Bonnie preoccupied by bringing her back to their cabin but when his plan takes an unexpected turn, it’ll be up to Damon to make the ultimate sacrifice to save his closest friends. Zach Roerig also stars. Michael Allowitz directed the episode written by Brian Young (#722). Original airdate 5/13/2016.