Dexter's world is rocked when a rival serial murderer, dubbed the Ice Truck Killer by the media, privately contacts him and reveals that he knows Dexter's grisly secret. Meanwhile, Dexter's sister, De…

The Miami Metro Police Department investigate the murder of an undercover officer, while Dexter stalks another victim. Debra discovers a piece of evidence in the Ice Truck Killer Case that helps her g…

While LaGuerta focuses the department's attention on a potential suspect in the Ice Truck Killer Case, Debra continues to look elsewhere. Doakes pays a visit to drug lord, Carlos Guerrero. Flashbacks …

The Ice Truck Killer's recent crime scenes send a secret message to Dexter Morgan, and lead him to remember his past.

The Homicide Division is buzzing after The Ice Truck Killer's latest victim is found mutilated, while Dexter stalks a murderous human trafficker.

The Ice Truck Killer leaves a clue at the scene where Dexter has dispatched his latest victim, and Dexter is worried that someone might have witnessed his killing. Rita is trying to deal with her ex-h…

Rita must deal with the return of her menacing, recently paroled husband, Paul Bennett. The Ice Truck Killer is supposedly identified, but Dexter is skeptical.

The strange suicide of a powerful woman leads Dexter to suspect her shrink of murder, but he gets a shock when a visit to the suspect opens up dark secrets from Dexter's past.

While on a weekend getaway with Rita, his sister and her new beau, Dexter learns that his biological father, thought to be dead for 30 years, has just passed away, and that he's willed his son everyth…

Dexter Morgan is sent to investigate a blood-soaked crime scene, and is gripped by a suppressed memory. Meanwhile, Rita is charged with assaulting Paul and could lose the children in a custody battle.…

The Ice Truck Killer sets a trap for Dexter by kidnapping someone close to him; Dexter's increasingly odd behavior piques Doakes's interest.

Dexter figures out who the Ice Truck Killer is, along with a dark secret from his troubled past. Meanwhile, La Guerta is replaced with a new boss and Angel figures out a way how to track the killer wh…

Things are really beginning to heat up for Dexter: Doakes' suspicions about him are growing, his victims are escaping, and his body dump site has been found. Meanwhile Paul is troubling Rita over the …

Dexter is finding it hard to have closure on killing his brother. There is a new FBI agent to head the "Bay Harbor Butcher" case. Debra is finding it tough to put the past behind her.

Dexter's inability to deceive has him pursuing a slick liar as his next victim, while Rita believes he's concealing a drug problem and forces him into a 12-step program where he meets Lila, a seductiv…

Rita's estranged mother visits and senses something is wrong with Dexter. Masuka thinks he's developed a lead in the Bay Harbor Butcher case, which has Dexter concerned. Angel's interrogation of a wit…

Dexter discovers that the man who murdered his mother in front of him as a boy is still alive and confronts the killer as part of his recovery from addiction - but he also discovers that old impulses …

A copy-cat killer follows the lead of the "Bay Harbor Butcher." Dexter must destroy an incriminating surveillance video.

Dexter manages to get Doakes off his back. He devises a plan to get the police in another direction. Lila and Dex's relationship intensifies, and he has some interaction with Rita and the kids.

Dexter is attacked by the man who murdered his mother. Meanwhile, Lila wants to get closer to Dex, and Debra and Lundy close in on the Bay Harbor Butcher.

Dexter realizes it won't be easy to end things completely with Lila. Dexter tries to stay ahead of the investigations as the manhunt for the Bay Harbor Butcher intensifies. An enemy of Dexter figures …

Doakes follows Dexter to his next crime scene and shocks him with a revelation about Harry. The Bay Harbor Butcher task force feels they are zeroing in on their man.

Dexter must make a massive decision that will have an effect on all those he holds close. Lila meanwhile is back with a secret to blackmail Dexter.

Special Agent Lundy and the FBI finally settle the case of the Bay Harbor Butcher, but the heat's not entirely off Dexter as the flames literally close in.

Dexter has put his life back together but things may fall apart soon. His new victim is also being targeted by Assistant District Attorney Miguel Prado. Deb has to decide how to handle Internal Affair…

Debra and the homicide unit, Dexter and ADA Miguel Prado are all searching for the same serial killer, who is responsible for the death of Prado's younger brother. Meanwhile at home, Dexter is faced w…

Dexter and a pedophile have a run-in; Dexter is unable to restore Freebo's good name after he is accused of a murder he didn't commit. Also, Dexter's friendship with Miguel weighs on his mind.

After an unsuccessful marriage proposal, Dexter must convince Rita that he is looking for more than a convenient merger of finances and parenthood.

Dexter hears the story of a husband who has gotten away with murdering two wives for financial gain and tracks the man to Bimini, but Rita has a medical emergency while Dexter has disappeared.

Dexter tests Miguel to see if he is on his dark-side job. Rita questions her career path after being fired from her job. Debra believes she in some way caused another homicide while working on her cur…

Dexter angers Miguel Prado when he says no to his request for them to kill Ellen Wolf. Meanwhile, a deathly ill Camilla Figg asks Dexter to kill her. Anton Briggs is told that he is being used as bait…

Dexter undertakes to teach Miguel Prado the Code, but doesn't realize he's whetting his thirst for blood; Debra is one step closer to finding the Skinner; Quinn reveals a secret about C.I. Anton Brigg…

Dexter is happy to have someone to help him with his killings, but can his new accomplice really keep to the Code of Harry or will he become the very thing Dexter seeks to destroy? Rita revolves to co…

A series of chess-like moves ensues when Dexter and Miguel vie for the upper hand, with Miguel winning Rita's affection by presenting her with a lavish wedding gift; Debra wonders if her relationship …

Dexter must find a way to get rid of Miguel despite the fact that his friend is a highly placed district attorney and also Dexter's best man, and Debra finds a new clue to the Skinner's identity.

Dexter attempts to calm the unstable Ramon now that Miguel is out of the picture; Debra is about to receive her detective's shield but is blind-sided with information that could derail her promotion.

Dexter sleeplessly struggles to balance his new family life with his dark, murderous drive for a fresh victim, and his busier-than-ever forensic career pursuing a new target, "The Trinity Killer."

Dexter realizes that he has carelessly misplaced crucial evidence that could expose his dark side to the world, while helping to investigate new slayings that Agent Frank Lundy insists are the work of…

Dexter is hampered by his neighborhood's increased vigilance due to vandalism, his temporary inability to drive himself anywhere, and his admiration for the killing technique of the artful Trinity Kil…

Rita goes to a wedding with the kids, allowing Dexter to have his own little vacation. He does what he does best when alone, hunt, and goes after an officer with a dark secret.

Dexter is inspired to investigate the Trinity Killer on his own, while Debra blames herself for an event that was out of her control, and Rita realizes how little she knows her husband after discoveri…

Dexter doubles his efforts to stay ahead of the official Trinity investigation, and receives relationship advice about the friction between himself and Rita from a most unexpected source.

Dexter finally strikes a balance between family, career and his secret life, but is thwarted in his pursuit of his next victim, while Debra expresses a renewed and unwelcome interest in their father's…

Dexter wonders if his father's Code is truly the right path, and hopes to get answers by accompanying Trinity on an out-of-town road trip to Tampa; Debra discovers that her single-minded pursuit of Tr…

Dexter learns more about Arthur's bizarre and twisted world, while Rita has her hands full preparing Thanksgiving dinner for a full house, Debra uses the holiday to further investigate Trinity, and Ba…

The disappearance of a ten-year-old boy forces Dexter to question his assumptions about Trinity, while Cody defends one of Dexter's lies and Masuka is unable to face what he witnessed on Thanksgiving.

Dexter must buy time to protect himself when Debra's investigation brings the department one step away from identifying Arthur as the Trinity Killer; Rita confides in Dexter, but is disappointed in th…

Dexter and Arthur are on a collision course.

Dexter must make a choice; Quinn stirs up trouble for Dexter but supports Deb.

Dexter tries to focus on the children and fight his dark urges; Debra ends up on Quinn's doorstep.

Dexter hires a nanny; Debra is annoyed with her new partner; Quinn continues to investigate Rita's murder.

Dexter must save a life; Deb has a confrontation with a key suspect; Quinn follows up on the similarities between Dexter and Kyle Butler.

Dexter is saddled with an unwanted conspirator; Dexter worries about how Rita's death will affect Harrison; Deb works alone; Quinn enlists an old friend's help.

Dexter is drawn into a precarious situation; Batista discovers an interesting lead; Quinn gets information about Dexter from a questionable source.

Dexter is called to investigate a horrifying crime scene; the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers.

Dexter and Lumen vet and stalk a violent killer; Debra gets into some unexpected trouble from the fallout of the Santa Muerte case

Dexter and Lumen hunt for their next victim; Debra uncovers new evidence in the Barrel Girl case

Homicide uncovers some key evidence linked to one of Dexter's and Lumen's prior victims; Debra identifies two more suspects in the case.

Dexter must do damage control; Debra's speculation begins to take shape; Quinn becomes involved in a homicide.

Dexter realizes that he and Lumen are being lured into a trap and risks everything to escape; Quinn needs help that only Dexter can provide.

Dexter attends his high school reunion to hunt a former Prom King; an investigation into a faith-based murder causes Dexter to ask some spiritual questions; Debra becomes an unexpected hero.

Brother Sam, a minister with a criminal history, is brought in by the homicide department to help solve a macabre murder, but Dexter sees him for what he really is, and it's definitely not a man of Go…

Dexter is confronted with a sobering glimpse of his own potential future when a serial killer from his past makes a startling reappearance; Debra is uncomfortable in her new job; Travis struggles to k…

Much to his own surprise, an emergency with Harrison and a new tableau from Gellar and Travis has Dexter leaning on Brother Sam and an unexpected winged messenger for support as he questions the idea …

With the help of his newfound friend Brother Sam, Dexter wonders if there is light within him to counter the darkness, while the search for the Doomsday Killers takes him in a new direction; Batista a…

Dexter is caught up in a very personal case that awakens the needs of his Dark Passenger; Debra feels overwhelmed by her new Lieutenant duties, made all the more complicated when she finds out Quinn s…

Dexter finds himself teamed up with a fellow Dark Passenger when he takes a road trip to Nebraska to tie up some loose ends from the past; Debra deals with the complications of her promotion as she le…

Dexter uses lessons he learned from Brother Sam to follow up on some new leads in the Doomsday investigation; Debra butts heads with Captain LaGuerta over the case of a dead call girl.

Dexter receives help from an unexpected source while hunting the Doomsday Killers and staying one step ahead of Homicide; Debra discovers something new about herself in therapy.

Dexter tries to figure out the Doomsday Killers' next victim before it's too late; Debra has a strong reaction to a crime scene, which leads her to the realization that she leans too heavily on her br…

Dexter finds that in order to catch the Doomsday Killers, he must create a macabre tableau of his own; Debra's battle with LaGuerta over the case of the dead call girl boils over, and her therapist ma…

Dexter and Homicide race against a lunar eclipse to catch the Doomsday Killers before their final gruesome act; Debra struggles with a new emotional reality.

After witnessing her brother kill, Debra attempts to reconcile with Dexter while struggling to cover up their involvement with the murder.

Miami Metro sets out to unearth new evidence on a claim from a local convict that he has new information regarding a 15-year-old crime spree; Debra tries to cure Dexter of his killer tendencies.

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.

After capturing a deadly killer, things go awry for Miami Metro, sending Debra into a tailspin. In an effort to help his sister, Dexter enters into a dangerous game of cat and mouse, while the Ukraini…

While trying to uncover why someone was killed on his boat, Dexter must out-maneuver a vengeful Isaak. New leads are brought to light on the Wayne Randall case by Hannah McKay, Randall's alluring form…

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 …

Quinn falls back into his old ways as he makes some questionable choices to protect Nadia. Things heat up as Dexter and Hannah grow closer, but when Sal Price discovers the two are involved, he wants …

Fresh out of jail, Isaak renews his pursuit of Dexter while Quinn continues his power struggle with the Koshkas. Dexter tries to keep Debra in the dark about his relationship with Hannah, but a surpri…

As Dexter scrambles to track down Isaak, a power struggle erupts among the Koshka Brotherhood, which could prove to Dexter's advantage. Meanwhile, Miami Dade tries to smoke out the Phantom Arsonist.

Dexter is unnerved when Hannah's father pays him a surprise visit; the Phantom Arsonist's crimes become more vicious; and Quinn defends Nadia's honor and finds himself in a volatile situation. Meanwhi…

As Christmas approaches, Dexter tries to balance his life with Hannah and his relationship with Debra. Dexter learns the man responsible for ordering his mother's death has been released from jail.

Dexter must protect himself when LaGuerta closes in on his secret.

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 Batista has replaced her as Lieutena…

Miami Metro continues their hunt for the Brain Surgeon, while Dr. Vogel enlists Dexter to do her bidding based on her own personal experience with her previous patients. Debra continues to track down …

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 to confess to LaGuerta’s …

Dexter tracks down another potential serial killer from Dr. Vogel’s list. Quinn celebrates his passing of the Sergeant’s exam by defending Debra’s honor in a fight. Dr. Vogel begins treating Debra for…

Dr. Vogel gets abducted by the Brain Surgeon, while Dexter and Debra try and rescue her. Masuka finds out he has a daughter.

Dexter monitors a young psychopath to see if he is suited for his table. Dexter and Debra finally get back to normal, but are surprised by his ex, Hannah.

Dexter hunts down Hannah to figure out why she’s back in Miami. Dexter also takes on a protégé and starts teaching him the Code.

Dexter tracks down his protégé in the belief that he murdered his neighbor. Meanwhile, Dexter tries to help Hannah escape the country.

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

Dexter enlists Dr. Vogel's help to lure the Brain Surgeon to a location in order to get him on the table. Later, an important person in Dexter's life is murdered before his eyes.

Dexter is torn between fleeing the country with Hannah and Harrison, and taking Saxon out once and for all.

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