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Dexter: Original Sin

Dexter: Original Sin

Season released 15th Dec, 2024Rated MA 15+10 episodes

Where to watch Dexter: Original Sin Season 1

Dexter: Original Sin season 1 is streaming in Australia on Paramount Plus (subscription). You can also buy it on Apple TV from $24.99 and Fetch TV from $24.99. Season 1 was released on 15 December 2024.

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Availability checked 5 November 2026. Streaming availability data from JustWatch.

Dexter: Original Sin Season 1 episodes

  1. S01 E01

    And in the beginning...

    50 mins · Sun, 15 Dec 2024

    Young Dexter Morgan struggles to keep his urges in check while navigating life with his father, Harry, and sister, high-school senior Deb. After Harry has a health scare, Dexter realizes it may finally be time to fulfill his destiny.

  3. S01 E02

    Kid in a Candy Store

    47 mins · Sun, 22 Dec 2024

    Dexter adjusts to his new job as a forensics intern at Miami Metro, as Harry returns to work after his medical leave. Deb lashes out at her dad by engaging in petty criminal behavior.

  5. S01 E03

    Miami Vice

    59 mins · Sun, 22 Dec 2024

    Dexter goes after a loan shark with ties to Batista, as Harry is told to keep an eye on Maria Laguerta, Miami Metro's newest homicide detective. Deb throws a party to win the favor of her volleyball teammates.

  6. S01 E04

    Fender Bender

    50 mins · Sun, 29 Dec 2024

    Dexter targets a retired mob hitman (who may still be killing), as Harry works the gruesome murder case of a 10-year-old boy. Deb sneaks into a nightclub with Sofia and meets an exciting new friend.

  7. S01 E05

    F Is for Fuck-Up

    52 mins · Sun, 5 Jan 2025

    After a kill goes wrong, Dexter is grounded by Harry. Deb deepens her relationship with Gio, and bonds with her brother on the anniversary of their mother's death.

  8. S01 E06

    The Joy of Killing

    50 mins · Sun, 12 Jan 2025

    Miami Metro is shaken by a kidnapping that hits close to home, as Dexter sets his sights on a killer that slipped through the cracks of the justice system. But first, Dexter must survive a double date with Deb and her new boyfriend.

  9. S01 E07

    The Big Bad Body Problem

    48 mins · Sun, 26 Jan 2025

    Dexter needs to find a new hiding place after his most recent dumping ground is blown. Harry and LaGuerta pitch a controversial theory to Spencer, as the hunt for a missing child continues. Deb gets in trouble for an outburst in volleyball practice.

  10. S01 E08

    Business and Pleasure

    52 mins · Sun, 2 Feb 2025

    Deb sneaks away for a trip with her mysterious boyfriend. Dexter is tasked with finding her. Harry and LaGuerta travel to Tampa to look into a potential serial killer on the loose, while Miami Metro closes in on suspects in the child kidnapping.

  11. S01 E09

    Blood Drive

    51 mins · Sun, 9 Feb 2025

    In the fallout of a SWAT raid gone wrong, Dexter closes in on the child kidnapper. Meanwhile, Deb goes to work with her Dad... and sees Miami Metro in a new light. Harry digs deeper into the serial killer case but keeps his theory from LaGuerta.

  12. S01 E10

    Code Blues

    50 mins · Sun, 16 Feb 2025

    Dexter races to find the missing kidnapped child before it's too late. Deb visits her godfather in the hospital and rethinks her future. Harry comes face-to-face with a serial killer... leading to a shocking result.