嗜血法医 (季节 4)

A serial killer with a heart..... just pray it's not yours.

主角德克斯特·摩根（Dexter Morgan，迈克尔·C·霍尔饰）幼时目睹母亲被谋杀，造成永久性的心灵创伤，令到他长大后有杀人倾向。他当警察的养父哈利·摩根（Harry Morgan）发现后，决定训练德克斯特只杀那些穷凶极恶的人，好为社会除害。哈利亦教晓德克斯特怎样消灭证据，让他不会被警方拘捕，而德克斯特最后则进入迈阿密大都会警局工作，成为他们的血迹喷溅分析师。

Living the Dream (集 1) 7.7
编剧: Clyde Phillips
播出日期: 2009-09-27
运行时间: 54 min
概述: 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."
Remains to Be Seen (集 2) 8.1
编剧: Charles H. Eglee
播出日期: 2009-10-04
运行时间: 50 min
概述: 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 Trinity.
Blinded by the Light (集 3) 7.7
编剧: Scott Buck
播出日期: 2009-10-11
运行时间: 52 min
概述: 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.
Dex Takes a Holiday (集 4) 8.7
编剧: Wendy West
播出日期: 2009-10-18
运行时间: 55 min
概述: 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.
Dirty Harry (集 5) 8.5
编剧: Tim Schlattmann
播出日期: 2009-10-25
运行时间: 50 min
概述: 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.
If I Had a Hammer (集 6) 8.2
编剧: Lauren Gussis
播出日期: 2009-11-01
运行时间: 56 min
概述: 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.
Slack Tide (集 7) 8.1
编剧: Scott Buck
播出日期: 2009-11-08
运行时间: 53 min
概述: 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. Miami Metro Homicide tries to solve the Model Killer Case.
Road Kill (集 8) 8.3
编剧: Melissa Rosenberg
播出日期: 2009-11-15
运行时间: 55 min
概述: 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 Trinity has blinded her to the true identity of her assailant.
Hungry Man (集 9) 8.7
编剧: Wendy West
播出日期: 2009-11-22
运行时间: 52 min
概述: 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.
Lost Boys (集 10) 8.6
编剧: Charles H. Eglee
播出日期: 2009-11-29
运行时间: 57 min
概述: 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.
Hello, Dexter Morgan (集 11) 9.1
编剧: Scott Buck
播出日期: 2009-12-06
运行时间: 52 min
概述: 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.
The Getaway (集 12) 9.2
编剧: Wendy West
播出日期: 2009-12-13
运行时间: 52 min
概述: Dexter and Arthur are on a collision course.