<Tr> <Td_colspan="8"> Caroline has become a vampire and awakens in the hospital craving blood . Tyler catches Mason searching for a moonstone, which is a family heirloom . At the carnival, Damon compels a boy named Carter to pick a fight with Tyler to provoke one of Tyler's bursts of anger . Mason breaks up the fight using his supernatural abilities, proving that he is a werewolf . Caroline confronts Damon about his abusive treatment, and he realizes that she is a vampire . He alerts Elena and Stefan, while a ravenous Caroline drains Carter . Stefan promises Caroline he will guide her journey as a vampire. Tyler retrieves the moonstone Mason has been seeking . Matt notices Caroline's erratic behavior but admits that he loves her . </Td> </Tr> <Tr> <Th> 25 </Th> <Td> </Td> <Td> "Bad Moon Rising" </Td> <Td> Patrick Norris </Td> <Td> Andrew Chambliss </Td> <Td> September 23, 2010 (2010 - 09 - 23) </Td> <Td> 2J5253 </Td> <Td> 3.57 </Td> </Tr> <Tr> <Td_colspan="8"> Elena, Damon, and Alaric head to Isobel's old office at Duke University, where it is revealed that vampires and werewolves used to roam freely until a shaman uttered a curse to limit their powers, after which the werewolves were servants of the moon and vampires became the slaves of the sun . Stefan teaches Caroline how to control herself and hunt animals . Bonnie makes Caroline a daylight ring so that she will not be burned by the sun . In werewolf form, Mason encounters Stefan and Caroline. Tyler saves them by shouting at the werewolf; he later finds Mason in the woods and realises what has happened . Unable to control herself, Caroline feeds on Matt . She compels him to forget it, but ends their relationship to keep him safe from her . Damon tells Elena Katherine's real name, Katerina Petrova, to aid Elena with her research . Alaric reaffirms his romantic interest in Jenna, and Caroline finds Katherine in her bedroom . </Td> </Tr> <Tr> <Th> 26 </Th> <Td> </Td> <Td> "Memory Lane" </Td> <Td> Rob Hardy </Td> <Td> Caroline Dries </Td> <Td> September 30, 2010 (2010 - 09 - 30) </Td> <Td> 2J5254 </Td> <Td> 3.18 </Td> </Tr>

The vampire diaries season 2 list of episodes