I love Hannah and Dexter and I really want them to be together (and out of jail!) but I'm afraid that she will be gone in some way :( I'm gonna need a back of tissues for the finale :(((((
In the season finale promo after the scene where she callapses in the police van she is seen walking outside of jail in her normal clothes. So it's hinted that she might survive. Maybe when they kissed Dexter transferred something to her mouth that rendered her uncouncious, maybe even she was in a near death state and escaped from the morgue somehow.
I don't believe they're going to kill her or make her serve her time, I think she'll escape to Argentina as she had dreamt.
At any rate Dexter has never had any longer lasting relationship other than with Rita. All his girlfriends either die (like the arsonist Lila from season 2) or leave having lost interest with Dexter (Lumen from season 5). Although he seems to have considered a serious relationship with Hannah it's not in the books for them anymore . If Dexter somehow avoids getting arrested and sentenced for electric chair, Hannah will be still on the run and I don't think that he will join her. In one of sneak peaks when speaking to Harry he clearly states he won't run away and leave Harrison and Debra behind.
pleeease hanna leave, die, go to jail or just dissapear of the serie, this season or the next one but just do it