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Quizzes > Movies

Dexter Quiz: How well do you know Dexter Morgan?

Quick, free Dexter trivia to test your knowledge across the series. Instant results.

Editorial: Review CompletedCreated By: Erin BorgiaUpdated Aug 28, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for Dexter knowledge quiz on a golden yellow background

This Dexter quiz helps you check how much you remember from the show, from the Code to Miami Metro and New Blood. Answer quick questions, see your score, and pick up a fun fact or two. For more crime TV challenges, try serial killer trivia, tackle a Criminal Minds quiz, or switch gears with Psych trivia.

What profession does Dexter Morgan hold at Miami Metro Police Department?
Forensic blood spatter analyst
Homicide detective
Criminal profiler
Forensic psychologist
Dexter Morgan works as a forensic blood spatter analyst at Miami Metro PD, which allows him access to crime scenes. This role provides him with knowledge of evidence handling and crime scene patterns. His position masks his activities as a vigilante serial killer.
In which city does Dexter primarily live and work?
Miami
Los Angeles
Chicago
New York
Dexter Morgan's story is set in Miami, Florida, where he works for Miami Metro PD. The tropical setting and bright colors contrast with Dexter's dark activities. Miami's crime rate and coastal location also play roles in various plotlines.
What is the name of Dexter's adoptive sister?
Debra Morgan
Lisa Morgan
Hannah Morgan
Jamie Morgan
Debra Morgan was adopted by Harry Morgan after Dexter's rescue and becomes a detective with Miami Metro. She shares a close but complex relationship with Dexter throughout the series. Debra's character grows from rookie to lieutenant over the show's run.
What type of pet does Dexter keep early in the series?
Snake
Goldfish
Parrot
Cat
In the early seasons, Dexter keeps a single goldfish in his apartment. The fish serves as a silent companion reflecting Dexter's isolation. The goldfish appears in several episodes as a subtle symbol of life and routine.
What name does Dexter give to the moral code taught by his adoptive father Harry?
The Dark Rule
The Book of Shadows
Harry's Law
The Code of Harry
Dexter refers to his father's guidelines as 'The Code of Harry.' This set of rules allows him to channel his homicidal urges into targeting only those who deserve it. The Code helps Dexter avoid capture and protect innocent people.
What term does Dexter use to describe his murderous compulsion?
Bloodlust
Dark Passenger
Inner Demon
Night Visitor
Dexter personifies his urge to kill as the 'Dark Passenger.' This inner voice narrates his darkest impulses throughout the series. The Dark Passenger is both a narrative device and a representation of his emotional void.
What type of criminal is Dexter's first on-screen kill in the series premiere?
Corrupt police officer
Child molester
Serial arsonist
Drug dealer
In the pilot episode, Dexter kills a man who abducts and abuses children. This first on-screen kill establishes Dexter's role as a vigilante targeting those who prey on the innocent. It also introduces the audience to his strict moral boundary.
Who provides the voice-over narration throughout the Dexter series?
Harry Morgan
Debra Morgan
Dexter Morgan
Rita Bennett
Dexter Morgan narrates the series, giving viewers insight into his inner thoughts and moral struggles. This first-person narration is a hallmark of the show's style. It adds depth to his character and tension to the storyline.
Who is revealed to be the Ice Truck Killer at the end of Season 1?
Angel Batista
Rudy Cooper
James Doakes
Brian Moser
Brian Moser, Dexter's biological brother, is unmasked as the Ice Truck Killer in Season 1's finale. He orchestrated the murders to draw Dexter's attention and reconnect with him. The sibling twist deepens Dexter's backstory and emotional conflict.
What is the real name of the Trinity Killer introduced in Season 4?
Anthony Morgan
Arthur Mitchell
Curtis Darnell
Brian Mitchell
The Trinity Killer is Arthur Mitchell, a seemingly upstanding family man who secretly commits ritualistic murders. He earns the moniker for his pattern of three killings spanning years. His relationship with Dexter creates one of the series' most intense story arcs.
In Season 2, what name does the police give to the burgeoning serial killer case Dexter is secretly part of?
Sunshine Slasher
Oceanview Chopper
Miami Strangler
Bay Harbor Butcher
The 'Bay Harbor Butcher' is the nickname given to the unknown serial killer responsible for dismembering bodies in Season 2. Ironically, Dexter's blood spatter work helps the investigation. The case drives the season's tension as Dexter risks exposure.
Where does Dexter end up living at the conclusion of the original series in 2013?
Alaska
Oregon
Canada
Washington
At the end of the 2013 finale, Dexter fakes his death and takes on a new life as a lumberjack in Oregon. This dramatic twist leaves his fate uncertain. The cold, remote setting reflects his self-imposed exile from society.
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Study Outcomes

  1. Recall Key Plot Twists -

    Sharpen your memory by recounting pivotal moments from Dexter's storyline and test yourself with challenging Dexter trivia questions.

  2. Analyze Character Motivations -

    Understand the driving forces behind Dexter Morgan and other key players, using insights gathered from our in-depth Dexter trivia quiz.

  3. Identify Iconic Moments -

    Spot and describe the most memorable scenes and dialogues, proving you can pinpoint the essential highlights in our Dexter quiz.

  4. Evaluate Your Dexter Knowledge -

    Measure your expertise on the series' dark twists and turns by checking your score and seeing how you stack up against fellow fans.

  5. Engage with Fellow Fans -

    Share your quiz results and discuss your favorite discoveries, fostering a community of Dexter trivia enthusiasts.

Cheat Sheet

  1. The Code of Harry -

    Dexter Morgan's moral compass is guided by "The Code of Harry," a strict set of rules that define which criminals are eligible for his unique brand of justice. Mastering this code is essential to dominate any dexter quiz or answer dexter trivia questions about his inner motivations. A helpful mnemonic "P.I.E.R." (Protect innocents, Identify targets, Ensure evidence falls through, Remain hidden) comes from insights on Showtime's official site.

  2. Blood Spatter Analysis Basics -

    The forensic reality behind Dexter's investigations draws from foundational principles in the Journal of Forensic Sciences, using angle formulas such as θ = arctan(opposite/adjacent) to determine droplet trajectories. Remember the shortcut "A = arctan(O/A)" to recall how Sergeant Doakes demonstrates spatter analysis in key episodes of the dexter trivia quiz. This blend of science and drama is your secret weapon during challenging dexter trivia rounds.

  3. Major Plot Twists by Season -

    Each season of Dexter is defined by a signature twist - LaGuerta's discovery in Season 2, the Trinity Killer reveal in Season 4, and the dramatic finale choices in Season 8. Creating a timeline chart from the official Showtime press kit helps you match episodes with twists on any dexter trivia quiz or dexter quiz showdown. This visual aid ensures you can quickly recall the right season and episode when tough questions arise.

  4. Michael C. Hall's Character Cues -

    Dexter's subtle emotional shifts often hinge on micro-expressions rooted in published research from UC Berkeley's Nonverbal Communication course. Spotting his signature "blood slide" motion - first seen in Season 5 - gives you an edge on dexter trivia questions about his unique mannerisms and acting nuances. Practice pausing key scenes to train your eye and boost your quiz confidence.

  5. Key Supporting Characters -

    Understanding Debra Morgan's evolving detective instincts, Lumen Pierce's redemption arc, and Angel Batista's investigative style, as detailed in Entertainment Weekly's character guides, is crucial for a comprehensive dexter quiz. Use the acronym "DLA" (Debra, Lumen, Angel) to instantly recall their relationships and roles when faced with rapid-fire dexter trivia. A solid grasp of these allies and foils will elevate your quiz performance.

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