Season 8 premiere. Six months after LaGuerta's death, Dexter is still managing life as a dad, brother and serial killer. Meanwhile, Miami Metro investigates the murder of a man who's had pieces of his brain removed.

Miami Metro continues their hunt for the Brain Surgeon, while Dr. Vogel enlists Dexter's help. While on a case, Debra has to take matters into her own hands.

Dexter continues his manhunt for the Brain Surgeon. Dr. Vogel tries to prove to Dexter that he's perfect as a psychopath. Debra's PTSD kicks in and she makes a desperate plea.

Dexter tracks down another potential serial killer from Dr. Vogel's list. Quinn celebrates passing the sergeant's exam by defending Debra's honor in a fight. Dr. Vogel begins treating Debra for her PTSD.

Dr. Vogel comes into contact with the Brain Surgeon, while Dexter and Debra try to keep her safe. Masuka finds out he has a daughter.

Dexter monitors a young psychopath to see if he meets the criteria of the code. Dexter and Debra finally get back to normal, but are surprised when someone from Dexter's past pays them a visit.

Dexter hunts down Hannah (Yvonne Strahovski) to figure out why she's back in Miami. Dexter takes on a protégé and starts teaching him the code.

Dexter tracks down Zach, concerned that he may have murdered an innocent person. Meanwhile, Dexter tries to help Hannah escape the country.

Dexter investigates a murder that hits close to home. Dr. Vogel gets the surprise of a lifetime when someone returns from her past.

With Dr. Vogel's help, Dexter tries to lure the Brain Surgeon into a trap so he can get him on his table. Dexter witnesses a murder.

Dexter is torn between fleeing the country with Hannah and Harrison or taking Saxon out for good. Dexter's inaction results in a grisly and unexpected consequence.

Series finale. Dexter is faced with impossible odds as a brewing hurricane makes its way towards Miami.