WatchTree Recommendations
What to Watch After Dexter: Original Sin
From Young Detectives to Real‑World Killers: Four Must‑Watch Picks After Dexter: Original Sin
If you’re still buzzing from the twisted allure of Dexter: Original Sin, you’ll want to dive into four titles that each capture a different facet of that dark, forensic thrill ride. Fresh Blood, Fresh Cases (Young Sherlock) brings a youthful, gritty spin on a legendary detective, while True‑Crime Terror (Gone Girls: The Long Island Serial Killer) grounds the hunt in stark, real‑world horror. The Ultimate Dexter Return (Dexter: Resurrection) picks up the exact thread where the original left off, and Couples in Conflict (HIS & HERS) adds a tense, marital‑psychology layer to the murder‑mystery formula.
Together, these picks form a balanced binge: a brand‑new origin story for the curious, a documentary‑style deep dive for true‑crime addicts, a direct sequel for die‑hard fans, and a fresh, relationship‑driven thriller for those who love the human drama behind the blood. Whether you crave fresh intrigue, authentic terror, familiar darkness, or a new twist on partnership and suspicion, this quartet delivers the full spectrum of what makes Dexter’s world so compelling.
Why these shows are similar to Dexter: Original Sin
In 1991 Miami, Dexter Morgan transitions from student to avenging serial killer. When his bloodthirsty urges can't be ignored any longer, Dexter must learn to channel his inner darkness. With the guidance of his father, Harry, he adopts a Code designed to help him find and kill people who deserve to be eliminated from society without getting on law enforcements' radar. This is a particular challenge for young Dexter as he begins a forensics internship at the Miami Metro Police Department.
These recommendations branch out from Dexter: Original Sin with similar tone, themes, genre elements, or audience appeal.
Young Sherlock
TV • 2026
action_adventure • mystery
Why Watch Next
Young Sherlock offers a gritty, coming‑of‑age twist on a classic detective, mirroring Dexter's early‑career darkness while delivering the same high‑stakes investigative thrills that fans love.
Overview
Sherlock Holmes is a disgraced young man, raw and unfiltered, when he finds himself wrapped up in a murder case that threatens his liberty. His first ever case unravels a globe-trotting conspiracy that changes his life forever.
Gone Girls: The Long Island Serial Killer
TV • 2025
documentary • crime
Why Watch Next
Gone Girls: The Long Island Serial Killer immerses viewers in a real‑world hunt for a predator, echoing Dexter's moral hunt for killers and satisfying the audience’s appetite for relentless, haunting investigations.
Overview
This tense true-crime series examines the hunt for the Long Island serial killer through the perspective of his victims, their loved ones and the police.
Dexter: Resurrection
TV • 2025
crime • drama • mystery
Why Watch Next
Dexter: Resurrection is the closest thematic and narrative match, continuing the original’s dark code and emotional stakes, making it a must‑watch for anyone craving more of Morgan’s conflicted vigilante world.
Overview
Dexter Morgan awakens from a coma to find Harrison gone without a trace. Realizing the weight of what he put his son through, Dexter sets out for New York City, determined to find him and make things right. But closure won't come easy. When Miami Metro's Angel Batista arrives with questions, Dexter realizes his past is catching up to him fast. As father and son navigate their own darkness in the city that never sleeps, they soon find themselves deeper than they ever imagined - and that the only way out is together.
HIS & HERS
TV • 2026
drama • crime • mystery
Why Watch Next
HIS & HERS blends marital drama with a murder mystery, offering a fresh psychological angle that complements Dexter’s exploration of personal darkness and the consequences of secret lives.
Overview
Two estranged spouses — one a detective, the other a news reporter — vie to solve a murder in which each believes the other is a prime suspect.
