Where to watch The Vampire Diaries Season 3 Online ? First of all, here are some lines about the summary of this season : Season three opens the door to learn more about Klaus and the Original Family as his motives for wanting Stefan on his side are finally revealed. As Stefan sinks deeper into the dark side, Damon and Elena struggle with the guilt of their growing bond, even as they work together to bring Stefan back from the edge. .. Now! Prepare yourself to watch The Vampire Diaries Season 3 online free. Please help us by sharing The Vampire Diaries Season 3 with your friends. Thank you for your support! Good viewing.