Season 4

Dexter has become a family man with wife Rita and a new baby boy, and must work harder than ever to conceal his murderous urges; Dexter discovers a potential mentor when he learns the blandly domestic identity of the Trinity Killer, the latest serial murderer plaguing Miami, but his attempts to curb Trinity's macabre cycles of slaughter have shocking, tragic results. Emmy winner John Lithgow guest stars.
Living The Dream
Episode 1: Living The Dream

Original Air Date: Sep 27, 2009

In the Season Four premiere, 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."

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Remains To Be Seen
Episode 2: Remains To Be Seen

Original Air Date: Oct 4, 2009

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 Lundy insists are the work of Trinity.

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Blinded By The Light
Episode 3: Blinded By The Light

Original Air Date: Oct 11, 2009

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 Killer.

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Dex Takes A Holiday
Episode 4: Dex Takes A Holiday

Original Air Date: Oct 18, 2009

Dexter gets some much-needed R&R time with Rita and the kids out of town, leading to his stalking of a new victim - until he unexpectedly begins to empathize with his target, a cop that murdered her family.

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Dirty Harry
Episode 5: Dirty Harry

Original Air Date: Oct 25, 2009

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 discovering one of his secrets.

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If I Had A Hammer
Episode 6: If I Had A Hammer

Original Air Date: Nov 1, 2009

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.

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Slack Tide
Episode 7: Slack Tide

Original Air Date: Nov 8, 2009

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 checkered past.

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Road Kill
Episode 8: Road Kill

Original Air Date: Nov 15, 2009

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, while Debra discovers that her single-minded pursuit of Trinity has blinded her to the truth.

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Hungry Man
Episode 9: Hungry Man

Original Air Date: Nov 22, 2009

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 Batista gets closure on an old case.

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Lost Boys
Episode 10: Lost Boys

Original Air Date: Nov 29, 2009

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.

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Hello, Dexter Morgan
Episode 11: Hello, Dexter Morgan

Original Air Date: Dec 6, 2009

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 the result.

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The Getaway
Episode 12: The Getaway

Original Air Date: Dec 13, 2009

In the Season Four finale, Dexter and Arthur find themselves on a collision course, as Debra unearths a shocking long-hidden truth, Rita admits her marriage to Dexter is troubled, and Batista and LaGuerta face the consequences of an ethics breach.

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8 Seasons, 96 Episodes

previous
  • Season 8

    Dexter learns more about his dark origins from Dr. Evelyn Vogel, an old family friend, and is reunited with Hannah; Deb suffers the consequences of loving her brother despite everything; Masuka learns he has a daughter.

    Season 8
  • Season 7

    Dexter comes clean to Deb and finds true love with a fellow serial killer; Deb learns the hard way how difficult it is to keep Dexter's secret; LaGuerta gets closer to pinning the Bay Harbor Butcher killings on Dexter.

    Season 7
  • Season 6

    Dexter stalks the Doomsday Killer, a vicious, deluded, religious fanatic who displays his victims in grisly, Biblical-themed tableaux; Deb reconsiders her relationship with Dexter; Quinn jeopardizes his partnership with Batista.

    Season 6
  • Season 5

    Dexter grieves his loss and tries to stay one step ahead of a suspicious Quinn and his own sister, while reluctantly guiding a near-victim (Julia Stiles) of a serial killer who sets out to get lethal revenge.

    Season 5
  • Season 4

    Dexter has become a husband and father, and finds a potential mentor in a macabre serial killer known as Trinity (Emmy winning guest star John Lithgow) who lives a familiar double life as a suburban family man.

    Season 4
  • Season 3

    Dexter befriends an assistant District Attorney (Jimmy Smits) who becomes increasingly and disturbingly helpful in Dexter's secret pastime; Debra gets a new partner, Joey Quinn (Desmond Harrington).

    Season 3
  • Season 2

    Dexter tries to sabotage his department's investigation into his killings and hooks up with an obsessed pyromaniac; traumatized Debra dates the FBI agent assigned to the case; Rita urges Dexter to join a treatment program for addicts.

    Season 2
  • Season 1

    Dexter hunts the Ice Truck Killer, whose gruesome crimes indicate knowledge of Dexter's true identity, triggering hidden memories; Dexter's sister Debra joins Homicide; Rita's ex-boyfriend is paroled.

    Season 1
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