Airdate: 25 March, 2010 8:00 PM Eastern Standard Time Summary: Matt and Caroline are surprised by the sudden reappearance of Matt’s mother Kelly. Stefan and Elena are worried about Damon’s new attitude. Damon is asked by Sheriff Forbes to take part in a fund-raising bachelor auction. Alaric discovers shocking secrets from his own past. With help from Jenna and Stefan, Nina is determined to find out everything she can about her birth mother, but the truth may be more than she can handle.