The Origin Story We’ve Been Waiting For: ‘Dexter: Original Sin

Have you ever wondered how Dexter Morgan came to be the character he was in Dexter? Dexter: Original Sin shows how he was in his formative years and how he learned to manage his dark fantasies. The series takes place in Dexter’s formative years in 1991 Miami, where he learns to control his destructive urges while adhering to his father’s expectations. Fans will finally experience the genesis of his distinctly frightening double life. Apart from its chilling nature, this prequel promises to shed light on the mystery that made Dexter immensely popular.

What is ‘Dexter: Original Sin’?

Dexter: Original Sin is a prequel television series that depicts the life of Dexter Morgan before he became the character fans adored in the ‘Dexter’ series. The storyline is set in 1991 Miami, depicting one teenage Dexter trying to reason his dark tendencies logically with the help of his adoptive father, Harry Morgan. This timeframe marks the evolution of Dexter from a troubled young man to a skilled vigilante known from the original series.

When was “Dexter: Original Sin” filmed?

For the depiction of Miami’s authenticity, filming for Dexter: Original Sin started in Miami, Florida, on June 5, 2024. After filming exterior shots by June 15, the production came to Los Angeles, where the rest of the series was filmed. This installment is similar to the original series, which was set in Miami but filmed in Los Angeles.

Central Plot of ‘Dexter: Original Sin’

The series charts Dexter’s early years as he attempts to wrestle with his nascent dark impulses. Under his father Harry’s tutelage, Dexter develops a code that channels his impulse to kill toward those who deserve it, setting the groundwork for his life as a vigilante. The narrative provides insight into Dexter’s early experiences, including his initial forays into forensic work and the internal conflicts that shape his dual life.

Cast of ‘Dexter: Original Sin’

The television series ‘Dexter: Original Sin’ has a gifted cast that portrays characters with whom everyone is already familiar. Here is a list of the main cast members:

• Patrick Gibson portrays the younger version of Dexter Morgan. At twenty, Patrick is still struggling with his rather overpowering dark urges while trying to make the best out of his life in Miami.

• Christian Slater as Harry Morgan: Christian portrays Dexter’s adoptive father, who is also a detective for Miami Metro Police and helps Dexter control his urges.

• Molly Brown as Debra Morgan. Molly plays the role of Dexter’s fiercely spirited younger sister, aged 17, giving a glimpse into the siblings earlier years.

• Christina Milian as Detective Maria LaGuerta: Christina steps into the role of a determined detective at Miami Metro, showcasing the character’s early career.

• James Martinez as Detective Angel Batista: James plays the kindhearted detective who shows his early years in the force.

• Alex Shimizu as Vince Masuka: Alex takes on the role of the quirky forensic specialist, adding depth to his backstory.

• Reno Wilson as Detective Bobby Watt: Reno takes on the role of Harry’s close friend and work partner, giving a sneak peek into their friendship.

• Patrick Dempsey as Captain Aaron Spencer: Patrick joins the cast as the Miami Metro Homicide Captain. As Captain, he brings a whole new perspective to the storyline.

• Sarah Michelle Gellar’s Role as Tanya Martin: Sarah had a guest role as the CSI chief at the Miami Metro, where she supervises Dexter during his internship.

• Michael C. Hall as Narrator: Michael, who originally played Dexter, returns as the inner voice of young Dexter, guiding viewers through his psyche. ​

Where to Watch ‘Dexter: Original Sin’ and Episode Details

Dexter Original Sin was made available for streaming on December 13, 2024, on Paramount+ with Showtime. The series has 10 episodes, and for the first two weeks, new episodes were released every Friday. As of March 2025, the series is available for streaming in its entirety. In the U.S., the series can be streamed on Paramount+ with Showtime or through the Showtime cable channels. Regional licensing restrictions may affect accessibility for viewers outside of the United States. One should look at local streaming platforms or cable networks for access in certain countries.

Dexter Morgan’s early life is the center of attention in “Dexter: Original Sin,” set in Miami in 1991, showcasing his battle with dark inclination and his transformation into a vigilante. The series has received praise for adding a new depth to an already iconic character his fans know so well. It is always best to consult official sources or local listings for the most precise and current information regarding which sites stream the series.

Final Words

‘Dexter: Original Sin’ shows the fans how the character of Dexter Morgan came into being. The series provides a new aura around the character with its wonderful plot and powerful cast. It’s an exciting treat for supporters of crime and thrillers. Those who appreciate suspenseful dramas should certainly have ‘Dexter: Original Sin’ on their watchlist.