Dexterdexter : Season 1 Episode 1 -

: "Tonight’s the night. And it’s going to happen again, and again. Has to happen.".

: 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. DexterDexter : Season 1 Episode 1

: Dexter navigates a relationship with Rita Bennett, a domestic abuse survivor. He chose her specifically because her trauma makes her uninterested in sex, helping him maintain his "normal" facade. Primary Characters : "Tonight’s the night

: 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. : Through flashbacks, we learn about Dexter's late

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

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