Season 0 of 嗜血法医 premiered on October 25, 2009.

Season 1 of 嗜血法医 premiered on October 1, 2006.

By day, mild-mannered Dexter is a blood-spatter analyst for the Miami police. But at night, he is a serial killer who only targets other murderers.

Season 2 of 嗜血法医 premiered on September 30, 2007.

In season two, the bodies of Dexter's victims are uncovered and an investigation is launched in Dexter's own department to find the killer, dubbed the "Bay Harbor Butcher." Debra struggles to recover, and Rita sends Dexter to Narcotics Anonymous meetings when she suspects that he has an addiction. Sergeant James Doakes, stalks Dexter, suspecting that he is connected with the "Ice Truck Killer" killings.

Season 3 of 嗜血法医 premiered on September 28, 2008.

After a runin with a man, Dexter initiates a friendship with his brother, Assistant District Attorney Miguel Prado. In the meantime, Rita discovers that she is pregnant, and Debra investigates the murders of a new serial killer, called "The Skinner," hoping to gain a promotion to detective.

Season 4 of 嗜血法医 premiered on September 27, 2009.

Dexter as a father and husband struggles to figure out how to survive for years to come. He seeks to learn from Arthur Mitchell, a serial killer and family man, who has murdered for over thirty years without being discovered.

Season 5 of 嗜血法医 premiered on September 26, 2010.

In season five, Dexter comes to terms with the aftermath of the Season 4 finale, stopping a group of serial rapists and avoiding a corrupt cop who learns his deadly secret.

Season 6 of 嗜血法医 premiered on October 2, 2011.

Season six follows Dexter's and Miami Metro's investigations into a string of bizarre ritualistic killings featuring overtly religious apocalyptic symbolism.

Season 7 of 嗜血法医 premiered on September 30, 2012.

Season seven follows Dexter's tangles with a Ukrainian mob boss and introduces Hannah McKay, a mysterious widow with a green thumb and a checkered past.

Season 8 of 嗜血法医 premiered on June 30, 2013.

LaGuerta的谋杀案已经过去六个月，Dexter仍然忙于在父亲、哥哥和连环杀手三重角色中寻找平衡点。Debra已经离开迈阿密大都会警察局，在一家私人侦探社当起了私人侦探，同时也深陷Dexter的杀戳行为而带来的精神混乱中。Batista取代Debra成为中尉警官。与此同时，迈阿密大都会警察局开始调查一起奇怪的谋杀案，受害人大脑的某些部分被凶手摘走了…