<P> At Caroline's house, Caroline and Tyler continue to read Mason's journal and also see the footage off the USB . Mason taped his first transformation and described everything about it in his journal . Tyler freaks out with the video and the details and he does not want to go through it but Caroline tries to encourage him and lets him know that she will be there with him . The door bell rings and Matt is at the door . He tries to tell Caroline that he misses her when Tyler comes to the door and Matt feels awkward . </P> <P> Jeremy gets to the tomb alone to take the moonstone . He stakes Katherine and tosses the ashes to her and she collapses . He gets into the tomb and starts searching for the moonstone . Jeremy finds the moonstone but not before Katherine awakes . She attacks him and drinks his blood but Jeremy manages to throw the moonstone out of the tomb . Stefan and Bonnie arrive at the tomb, find the moonstone, and wonder what happened . Katherine appears with Jeremy and tells them that they will not get him back until they let her out . </P> <P> Bonnie starts the spell so Stefan can get into the tomb and get Jeremy out . At the same time, Luka gets back home from school and he starts to feel Bonnie channeling his powers . He tells his father that he let Bonnie channel with him earlier because he asked him to bond with her and now she is channeling him for some spell . Both Luka and Bonnie begin to nosebleed and Stefan tries to stop Bonnie while Luka collapses . Bonnie falls unconscious and when she gets back she realizes that she can't do the spell, even with help . Katherine gets the opportunity to torture Jeremy and Stefan rushes into the tomb to save him . He manages to get Jeremy out of the tomb but now he is trapped inside it with Katherine . </P> <P> Damon arrives at Slater's apartment to get Elena out of there but she refuses to go with him since she is determined to sacrifice herself to save everyone she loves . Cody arrives minutes later with two other vampires to take Elena and Damon gets ready to defend her . Elijah arrives and when he learns that no one else knows that Elena is there, he kills Cody and the two other vampires and then leaves, leaving Damon and Elena wondering why he did that . </P>

When does stefan get stuck in the tomb
find me the text answering this question