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12 Episodes 2012 - 2012
Episode 1
Sun, Sep 30, 201255 mins
After witnessing her brother kill, Debra attempts to reconcile with Dexter while struggling to cover up their involvement with the murder. Meanwhile, Detective Mike Anderson has an unfortunate run-in while trying to be a good Samaritan. Quinn and Batista begin to make amends. LaGuerta finds evidence that causes her to re-think the closed Bay Harbor Butcher case.

Episode 2
Sun, Oct 7, 201259 mins
When a local convict claims he has new information regarding a 15-year-old crime spree, Miami Metro sets out to unearth new evidence on the case. Debra attempts to cure Dexter of his killer tendencies. Meanwhile, the Mike Anderson case leads to the Ukrainian mob and a vengeful Louis won't stop meddling with Dexter's life.

Episode 3
Sun, Oct 14, 201256 mins
Dexter tries to bring Debra on board with his new target. While the Ukrainian mob seeks revenge for the killing of one of their own, Quinn grows close to a dancer at their strip club. LaGuerta becomes convinced that the Bay Harbor Butcher is still out there.

Episode 4
Sun, Oct 21, 201254 mins
Speltzer is arrested by police and admits to the murders, but his case is dismissed on a technicality, causing him to be set free. As Dexter pursues Speltzer, he is captured and trapped in Speltzer's labyrinth but manages to escape. Meanwhile, Isaak convinces the club's bartender to be a scapegoat for Anderson's murder to get the police off them. Also, Hannah McKay visits Miami Metro to help with the investigation of Wayne Randall's murders. Dexter finally catches and kills Speltzer.

Episode 5
Sun, Oct 28, 201257 mins
Isaak Sirko seeks revenge against Dexter for Viktor Baskov's death. Meanwhile, LaGuerta tells Debra of her suspicions that the Bay Harbor Butcher is alive, and asks for Debra's help with the case. Hannah McKay leads the police to the bodies of a couple killed by Wayne Randall, but Dexter realizes one of them was murdered by Hannah herself. Isaak is arrested and jailed after Dexter lures him into a shoot-out at a rival Colombian bar.

Episode 6
Sun, Nov 4, 201254 mins
Debra gets to know a local crime writer who's dug up some incriminating dirt on Hannah McKay - Dexter's newest obsession. Quinn gets an offer he tries to refuse and Batista is drawn to a new business opportunity. LaGuerta keeps digging into the Bay Harbor Butcher case.

Episode 7
Sun, Nov 11, 201253 mins
Isaak is released from prison, but Debra has him followed everywhere. Meanwhile, Sal Price discovers Dexter's relationship with Hannah and tries to get information from him, but Dexter blackmails him into silence by framing him for an unsolved murder. However, Price dies suddenly following an interview with Hannah (who poisoned him to protect herself). Debra brings Hannah in for questioning over Price's death, but Hannah denies everything. Unable to connect Hannah to Price's death and feeling frustrated, Debra asks Dexter to kill Hannah.

Episode 8
Sun, Nov 18, 201258 mins
Dexter tries to keep Debra in the dark about his relationship with Hannah, but a surprise visit from Astor, Cody and Harrison throws a wrench into his plans. Fresh out of jail, Isaak renews his pursuit of Dexter while Quinn continues his power struggle with the Koshkas.

Episode 9
Sun, Nov 25, 201257 mins
The Koshka Brotherhood hires two hitmen to find and kill Isaak. In a desperate move, Isaak kidnaps Hannah in order to enlist Dexter's help to protect him. Meanwhile, Batista and the rest of Miami Metro deal with a series of arson/murders with an unknown perpetrator nicknamed the Phantom Arsonist. Also, LaGuerta strikes a deal with ex-Deputy Chief Matthews, who helps her with the search for the real Bay Harbor Butcher. Dexter and Isaak work together and kill both hit men, but Isaak is shot and killed by George Novikov (Jason Gedrick), the manager of the Foxhole. Debra manages to find Hannah and saves her life.

Episode 10
Sun, Dec 2, 201254 mins
A surprise visit from Hannah's father puts Dexter on alert and the Phantom Arsonist's crimes become more gruesome. Defending Nadia's honor forces Quinn into a dangerous situation and LaGuerta brings in Matthews to help her with the Bay Harbor Butcher case.

Episode 11
Sun, Dec 9, 201257 mins
As Christmas approaches, Dexter tries to balance his life with Hannah and his relationship with Debra. Debra follows up on a potentially incriminating tip. Dexter learns that the man responsible for ordering his mother's death has been released from jail.

Episode 12
Sun, Dec 16, 201256 mins
As the new year approaches, Dexter visits Hannah McKay in jail, confirming his affection for her. Because she is unable to understand why he turned her in, he explains that he could never be certain that she will not again attempt to harm Debra Morgan, his sister, whose safety he will always consider paramount. The following day with the help of a friend, Hannah manages to escape custody and goes into hiding. Capt. Maria LaGuerta has Dexter arrested. Dexter is released, but he and Debra know that LaGuerta is closing in on them and that they need to find a way out. Dexter remembers how Sgt. Doakes first became suspicious of him, setting his current predicament in motion.
