: Dexter assists his sister, Debra, with a new case involving a bloodless crime scene. He correctly theorizes that the killer uses a refrigerated truck to drain and freeze the victims.

: The episode's widespread acclaim is often attributed to Dexter’s constant narration, which provides the audience insight into his otherwise emotionless existence.

: A forensic expert with a "Dark Passenger" (his internal urge to kill).

: The Lieutenant who flirts with Dexter but treats Debra with open disdain.

The series premiere of , titled "Dexter," aired on October 1, 2006, and serves as an essential introduction to Dexter Morgan—a blood-spatter analyst for the Miami Metro Police Department by day and a vigilante serial killer by night. Episode Overview

: Dexter kidnaps and kills Father Donovan, a choir master who murdered young boys.