S1, E20: While Stefan struggles to come to terms with his past, both he and Damon reveal parts of their history to Elena, until she finally learns the truth about how they became vampires. Pearl (recurring guest star Kelly Hu) has an ugly confrontation with John Gilbert (recurring guest star David Anders). Damon and Alaric try to find a mysterious invention before John does. Meanwhile, the friendship and flirtation between Jeremy and Anna (recurring guest star Malese Jow) continues to grow.