: Through flashbacks, we learn about Dexter's late foster father, Harry Morgan, who recognized Dexter’s sociopathic tendencies and taught him a "Code" to channel his urges toward those who escape traditional justice.
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
: The episode introduces the "Ice Truck Killer," a rival who leaves bloodless, dismembered bodies and eventually contacts Dexter privately, revealing he knows his secret. Plot Summary
: Dexter kidnaps and kills Father Donovan, a choir master who murdered young boys.
: The episode establishes Dexter’s meticulous killing ritual, which includes capturing victims, securing them in plastic, and taking a trophy: a drop of blood on a glass slide.
