Flashbacks are mainly used in DEXTER to inform viewers about Dexter's origins as a serial killer, his early exploits, and what past events affect current situations.

List of Flashbacks

Early Cuts

Image Episode Character(s) Year/Date
[[Image:|230px]] Early Cuts: Alex Timmons Dexter Morgan 2009
While comparing himself to Alex Timmons, Dexter has a minor flashback from the days in which he and Harry went hunting, and remembers how Harry never let him take his trophies home.

Season 1

Image Episode Character(s) Year/Date
DexterYoungHarry1 Dexter Dexter Morgan 2006
While on the family boat, Harry talks to Dexter about a dog named Buddy, who had gone missing from their neighbor's house. Harry mentions that he found the grave and Dexter says that he did it for his mother since she was sick, and the dog's barking was not letting her sleep, Harry replied that there were more than just Buddy's bones in the grave.
230px Father Knows Best Dexter Morgan 2006
A young Dexter and Debra are playing when Harry proudly announces that after many hurdles, he received Dexter's new birth certificate. Deb asks what happened to his real parents and Harry vaguely replies that they died in a tragic accident. However, Dexter does not believe it entirely and eventually questions if that is the truth.
230px Father Knows Best Dexter Morgan 2006
While Dexter is viewing Joe Driscoll's body at the morgue, he notices a web tattoo on the right elbow. Dexter recalls a memory of him as a young boy sitting in a car with a rock song playing, staring at the driver's elbow with the same tattoo. Dexter immediately realizes Driscoll is indeed his biological father. He takes a blood sample that confirms it.

Season 7

Image Episode Character(s) Year/Date
DoakesS73 Surprise, Motherfucker! Dexter Morgan 2012
Dexter is in his lab working on his cases when Sergeant Doakes announces himself by saying "Surprise Motherfucker!" while strangely smiling. This marks the first chronological instance in which Doakes uses the catch prase. Later, Dexter continues to work with Doakes on the Prostitute Killer Investigation.

Season 8

Image Episode Character(s) Year/Date
[[Image:|230px]] Remember the Monsters? Dexter Morgan 2013
Dexter recalls the date that Harrison was born and Deb stating that Dexter would be a "great father" because he had been a "great big brother."

Dexter Comics

Image Episode Character(s) Year/Date
Dexter and steve Volume 1: Issue 1 Dexter Morgan 2013
Dexter remembers his first confrontation with Steve Gonzalez and how he almost killed Steve if it wasn't for the janitor of the school stepping in. This situation led Dexter to Mr. Bartlett's office who called Dex's adoptive father, Harry, to pick him up.