What are the most thrilling moments from the prequel's first season, according to Showtime?
Throughout its thrilling 10-episode run, Dexter: Original Sin delivered a fresh and suspenseful take on the early years of Dexter Morgan. The prequel series follows a young Dexter shortly after his graduation from college, as he begins his journey with the Miami Metro Police Department. For the first time, we see him working alongside key characters like Detective Vince Masuka and his adoptive father, Harry Morgan.
Set in 1991—15 years before the events of the original Dexter series—the show masterfully blends nostalgia with shocking twists. While many prequels struggle due to their predictable paths, Dexter: Original Sin breaks the mold with unpredictable storylines and intense character development.
Now that Season 2 has been officially confirmed, and production is set to begin later this year, Showtime has released a special video recap featuring the Top 10 Most Intense Moments From Season 1. Before watching the full video (included at the end of this article), let’s highlight a few of the standout scenes:
1. Dexter Kills Nurse Mary
One of the most chilling moments involves Dexter uncovering the truth about Nurse Mary, a staff member at Angel of Mercy Hospital who secretly euthanizes her patients with fatal overdoses. After Harry suffers a health scare and is rushed to the same hospital, Dexter suspects foul play. His suspicions are confirmed, and with Harry's reluctant approval, Dexter eliminates the deadly nurse—marking a key milestone in his transformation into a vigilante killer.
2. Harry Confronts Dexter Over His First Trophy
After the Nurse Mary incident, Dexter keeps a grim souvenir: her earrings. The situation spirals when Debra unknowingly gifts the earrings to her friend Sofia. When Harry discovers the truth, he confronts Dexter, emphasizing the importance of hiding any evidence that could expose his secret. This confrontation sets the foundation for the famous Code of Harry, which guides Dexter’s future kills.
3. Dexter Puts Harry on the Kill Table
In a shocking and controversial scene, Dexter stages a mock kill by wrapping his own father on the kill table—a symbolic and intense way to prove he’s ready to follow the code. The performance by Patrick Gibson (Dexter) and Christian Slater (Harry) was widely praised, making this scene one of the most unforgettable moments of Season 1.
Curious to see which other jaw-dropping scenes made Showtime’s official Top 10 list? Watch the full video below and relive the most intense moments from Dexter: Original Sin Season 1.
Hit play to watch Showtime's exclusive countdown: