TVD Season 1

Season 1 ( 6-10 )

6- " lost girls "

Stefan explains his and Damon's past with Katherine to Elena. In 1864, they both loved a woman named Katherine Pierce, who then turned both of them into vampires. Meanwhile, Damon spends the day trapped inside the Salvatore Boarding House with Vicki. They feed off of each other and he changes her into a vampire. 

Stefan discovers this and attempts to persuade her to die instead of completing the transformation into a vampire by feeding on human blood. Logan uses the pocket watch that tracks down vampires and finds Stefan and Vicki in the woods. Logan shoots Stefan with a wooden bullet, thinking Stefan was attacking Vicki. 

Damon saves Stefan by attacking Logan. Vicki is overcome by the hunger and feeds on Logan, killing him and completing her transformation. Stefan tells Elena that Vicki has become a vampire, and Elena decides to keep this a secret, but not without ending their relationship.

7- " Haunted "

Stefan tries to help new vampire, Vicki deal with her urge to feed, but is unable to control her. While giving Bonnie her witch costume at school, Caroline also gives Bonnie the amber crystal which Damon took from the Founder's Party. At a Halloween party at the school, Vicki attacks both Jeremy and Elena, and Stefan is forced to stake her through the heart, killing her. 

Stefan swears Elena to secrecy so she won't tell Matt and Jeremy what really happened to Vicki. Elena is unable to console the grieving Jeremy and asks Stefan to use his powers to make sure her brother does not remember what happened. When Stefan tells her he is unsure of it working effectively, Damon volunteers to "take away his suffering".

8- " 162 candles "

An old vampire friend of Stefan's arrives in Mystic Falls, the 350-year-old Lexi (Guest star Arielle Kebbel). She makes Elena realize the value of love, and helps her to take the first step towards renewing a relationship with Stefan. 

Meanwhile, Jeremy stops doing drugs and putting off homework after Damon alters his memory of Vicki's death. Elena asks Damon if there is anything else that he did to her brother but all Damon says is that he "removed the suffering". Damon gives a box of vervain to Sheriff Forbes and she reveals to him all of the vampire hunters in town. Unaware about his true nature. Damon frames Lexi for the death of a local boy by altering his girlfriend's memory and changing her testimony. The police apprehend Lexi. 

Outside the bar, Damon stakes Lexi and kills her before she can attack the sheriff or reveal his secret. Stefan is furious about what has been done to Lexi and tells Elena that she was right by ending things with him, then he takes off and attacks Damon, but stops short of killing him. He spares Damon's life to repay Damon for saving him from Logan. While wearing the amber crystal Bonnie has a nightmare and she wakes up in a cemetery.

9- " History Repeating "

A new history teacher arrives, named Alaric Saltzman, to replace Mr. Tanner. Jeremy notices his ring, which resembles one worn by vampires. Jeremy introduces his new teacher to Jenna, who then becomes infatuated with Alaric. Alaric asks Jenna to invite him into her home, but she refuses after realizing Jeremy is there.

 When Bonnie is having dreams about her witch ancestor Emily, the girls decide to hold a séance, enabling Emily to possess Bonnie. Meanwhile, Damon reveals the reason he really came back to Mystic Falls: to resurrect Katherine with the help of the crystal that Katherine gave to Emily on her last day when she was alive. Stefan tries to stop Damon, knowing that it'll cause a disaster in Mystic Falls due to the fact that all the vampires that had escaped to the tomb underneath the old Fell's Church, in 1864, would take revenge on the innocent generation of townspeople. 

On his way to the ruins of old Fell's Church, Damon greets Emily and reminds her about the deal they made a century and a half ago; Damon will protect Emily's line and Emily will protect Katherine. Damon goes for the crystal, and Emily uses her power to throw him up to the branch of a tree. Then Emily performs the ritual to destroy the crystal and thwarts Damon's plan. Emily releases Bonnie from possession. 

Furious, Damon attacks Bonnie, but Stefan saves her by making her drink his blood. Bonnie is frightened of Stefan until Elena reveals everything to her. Elena tells Stefan that she can handle being in a relationship with him after learning who he is, but Stefan tells her that he cannot because too many people have died, so he's leaving town. Matt continues to be there for Caroline when she needs it. Logan returns into the picture as a vampire instead of a corpse at Elena's house, and he tries to get Jenna to invite him in.

10- " The Turning Point "

Jeremy decides to return to his hobby of sketching fantasy creatures that he had stopped upon the death of his parents. Meanwhile, the vampire Logan attacks and kills several people throughout the town. Matt and Caroline continue to hang out together. He tells Tyler that he likes hanging out with Caroline. Sheriff Forbes tells Damon of a new recent attack, and he discovers Logan doesn't know who turned him. 

Stefan meets with Elena and he tells her about the new vampire in town and has no idea who it is. Alaric helps with a small dispute among Jeremy, Tyler and Mayor Lockwood. Logan kidnaps Caroline after a dispute with the sheriff, but Stefan and Damon save her. Logan tells Damon he knows of another way to resurrect Katherine. 

Elsewhere, Elena tells Stefan that she loves him and he decides to stay in Mystic Falls. Stefan and Elena then sleep together. But when Stefan goes to get a drink for Elena, she discovers the photo of Katherine see that she looks exactly like her and leaves his house abruptly, leaving her vervain necklace behind with the photo. Alaric confronts Logan and tells him to leave Jenna alone. Logan tries to attack him, but gets staked and dies. Elena is involved in a car crash while trying to avoid a man in the middle of the road, but realizes that the man is more than human. The last shot is of the stranger approaching the car and Elena screaming.