It's been 6 months since LaGuerta's murder - and Dexter is still managing life as a dad, brother, and serial killer. Debra now works as a PI for a private firm and Batist ...

Vogel reveals to Dexter that she helped Harry create his Code, harboring a perverse interest and admiration for psychopaths. She asks Dexter to track down the Brain Surge ...

With Sussman's body arranged to look like a suicide, Miami Metro closes the Brain Surgeon case; however, the real Brain Surgeon leaves disturbing trophies on Vogel's door ...

Dexter searches for the next potential killer on Vogel's list, A.J. Yates. He finds evidence that Yates is the Brain Surgeon and tries to kill him, but Yates escapes. Dex ...

Vogel tries to reconcile Dexter and Debra's differences in therapy, but Dexter walks out. Miami Metro PD steps up its investigation of Norma Rivera's murder; they target ...

Dexter investigates Zach and confirms that he murdered Norma. Vogel wants to teach Harry's Code to Zach, but Dexter is skeptical. Deb helps her boss, Elway, prove his sis ...

Waking up unharmed, Dexter and Debra believe that Hannah has sent them a message. Dexter finds Hannah's current alias and address, and learns that she is married to multi ...

Dexter finds evidence that Zach killed Cassie. He tracks Zach to a hotel in Key West, and Hannah accompanies him. During the trip, Dexter plans to get Hannah a new identi ...

Investigating Zach's murder, Dexter finds DNA evidence and learns that the Brain Surgeon is Vogel's psychopathic son, who faked his own death years ago and changed his id ...

Saxon asks Vogel to rehabilitate him, as she helped Dexter. Dexter gives Batista his 2 weeks notice, and tells Debra he's moving to Argentina with Hannah and Harrison. Cl ...

Dexter removes all of the evidence pointing to his relationship with Vogel before calling the police. Elway and Clayton suspect that Debra is harboring Hannah. Saxon offe ...

Debra is rushed to the hospital and Quinn goes with her. At the airport, Dexter, Hannah and Harrison manage to elude Elway, but they are forced to leave the airport due t ...