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132 free Dexter trivia questions with answers — entertainment quiz, new questions added Aug 2026.
50 free Dexter trivia questions with answers. Are you a true Dexter fan? Put your knowledge of Miami's favorite blood spatter analyst to the test with our challenging trivia quiz. From Dexter Morgan's twisted code to the show's most shocking plot twists, see how much you really remember about this iconic crime drama.
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Q 01What is Dexter Morgan's professional occupation at Miami Metro Homicide?
Blood Spatter Analyst
Dexter Morgan works as a blood spatter analyst for the Miami Metro Police Department, a role that conveniently allows him access to crime scenes and information for his nocturnal activities.
Q 02Which Miami police detective adopted Dexter after finding him at a crime scene?
Harry Morgan
Harry Morgan, a Miami police detective, adopted Dexter after finding him at a horrific crime scene. He later created a 'Code' to channel Dexter's urges.
Q 03What is the real name of the Ice Truck Killer, Dexter's biological older brother?
Brian Moser
Brian Moser, alias Rudy Cooper, was Dexter's older brother; both boys witnessed their mother Laura Moser's murder, but only Dexter was adopted, and Brian spent years in institutions.
Q 04Who was Dexter Morgan's first wife?
Rita Bennett
Rita Bennett, a single mother Dexter first dated as cover for his double life, married him in the season-three finale.
Q 05Who was the primary antagonist in the first season of Dexter?
The Ice Truck Killer
The Ice Truck Killer terrorized Miami in the first season, leaving bloodless, dismembered bodies and eventually revealing a shocking connection to Dexter.
Q 06Which serial killer was the main antagonist of season 4, known for his ritualistic killing patterns?
The Trinity Killer
Arthur Mitchell, known as the Trinity Killer, was a highly elusive and dangerous serial killer who followed a distinct pattern of three (later revealed as four) murders, making him one of Dexter's most formidable foes.
Q 07In season eight, to which country does Dexter plan to flee with Hannah and his son?
Argentina
Argentina: Dexter books flights to Buenos Aires for Hannah, his son and himself, but Hurricane Laura and a last confrontation with Saxon intervene, and he never boards.
Q 08What is considered the number one rule in the 'Code of Harry' that Dexter must always follow?
Don't get caught
While 'Never kill an innocent' and 'Only kill other murderers' are core tenets, Harry repeatedly emphasized that the most important rule for Dexter was 'Don't get caught,' as it ensured his survival and freedom.
Q 09How many episodes make up the original 2006–2013 run of the series?
96
96 episodes: every season ran exactly twelve episodes, and the final hour aired on Showtime in September 2013.
Q 10What is the name of Dexter Morgan's boat, from which he drops weighted bags into an ocean trench?
Slice of Life
Slice of Life carries the bodies to a trench just offshore, which is why a treasure hunter's discovery in season two nearly ends him.
Q 11Under the alias Rudy Cooper, the season 1 killer worked in what profession?
Prosthetics
He met Debra by fitting prosthetic legs for one of his own surviving victims, and dated her to get closer to Dexter.
Q 12Which season's finale drew a then-record 2.6 million viewers, Showtime's most-watched original episode?
Four
Season four's finale, 'The Getaway', aired on 13 December 2009; its 2.6 million viewers were Showtime's largest audience for an original series at the time.
Q 13Who played the role of Dexter Morgan in the series?
Michael C. Hall
Michael C. Hall, a stage actor before television, played Dexter for the entire original run; the role earned him five consecutive Emmy nominations (2008–2012) and a Golden Globe in January 2010.
Q 21Which Miami Metro sergeant distrusted Dexter from the start and eventually found his box of blood slides?
James Doakes
James Doakes died in a cabin explosion and was framed as the Bay Harbor Butcher; his 'Surprise, motherfucker' became a meme.
Q 22Who becomes Dexter's lover and fellow vigilante in Season 5?
Lumen Pierce
Lumen Pierce, played by Julia Stiles, watched Dexter kill her captor Boyd Fowler, then asked him to help her hunt down the rest of the men who had held her.
Q 23How many seasons did the original run of the television series 'Dexter' have?
8
The original series 'Dexter' aired for eight seasons, from 2006 to 2013, before returning for a limited revival series.
Q 14What nickname did the public and police give Dexter Morgan for how he dismembered victims?
The Bay Harbor Butcher
The public and law enforcement referred to the unknown killer who disposed of body parts in the bay as 'The Bay Harbor Butcher,' unknowingly referring to Dexter.
Q 15Which season 2 character became Dexter's Narcotics Anonymous sponsor and then his lover?
Lila Tournay
Lila Tournay, a British artist calling herself Lila West, became Dexter's Narcotics Anonymous sponsor in season two; Dexter had joined NA as a cover for his nocturnal absences.
Q 16What is the name of Dexter's biological son?
Harrison
Harrison is born to Dexter and Rita between seasons three and four; as a teenager, played by Jack Alcott, he becomes the co-lead of Dexter: New Blood.
Q 17Which actor won an Emmy and a Golden Globe for playing Arthur Mitchell, the Trinity Killer?
John Lithgow
John Lithgow appeared in all 12 episodes and returned as a hallucination in New Blood; Trinity is widely called the show's best villain.
Q 18What is the term Dexter uses to refer to his homicidal urges and inner darkness?
The Dark Passenger
'The Dark Passenger' is Dexter's personal term for the uncontrollable urge to kill that he has carried since childhood.
Q 19Which crude-humoured lab tech, played by C. S. Lee, is Dexter's main comic relief at Miami Metro?
Vince Masuka
Vince Masuka was promoted to the title credits in season two and later discovers he has an adult daughter he never knew about.
Q 20Where in his apartment does Dexter hide his box of blood slides?
An air conditioner vent
Dexter cleverly hides his collection of blood slides in an air conditioner vent in his apartment, believing it to be a secure and secret location.
Q 24Who is the main antagonist of Season 6, known for his religiously motivated murders?
Travis Marshall
Travis Marshall, the Doomsday Killer, staged elaborate apocalyptic tableaux across Miami in season six, including the Four Horsemen and the Whore of Babylon.
Q 25Which serial poisoner became Dexter's girlfriend in season seven?
Hannah McKay
Hannah McKay was a serial poisoner who developed a romantic relationship with Dexter and became an accomplice in his activities.
Q 26Which veteran Miami Metro captain, played by Geoff Pierson, was an old friend of Dexter's adoptive father?
Tom Matthews
Tom Matthews quietly protects the department's blood-spatter analyst for Harry's sake, which is partly why Dexter is never looked at too closely.
Q 27Which lieutenant, later captain, does Debra shoot to save Dexter in the season-seven finale?
Maria LaGuerta
Maria LaGuerta is played by Lauren Vélez; she was briefly married to Angel Batista, a detective on her own squad, and Debra shoots her to save Dexter.
Q 28Which FBI agent, played by Keith Carradine, led the season 2 Bay Harbor Butcher hunt?
Frank Lundy
Frank Lundy, the FBI special agent who led the Bay Harbor Butcher task force, had a romance with Debra; he returned in season four, retired, and was shot dead while tracking Trinity.
Q 29Which district attorney befriends Dexter in Season 3, then becomes a serial killer himself?
Miguel Prado
Miguel Prado, an assistant district attorney played by Jimmy Smits, befriended Dexter after Dexter killed his brother Oscar in self-defence; Smits was Emmy-nominated for the role.
Q 30What alias does Dexter use in season 4 to join Arthur Mitchell's church and befriend him?
Kyle Butler
Kyle Butler is the name Dexter gives Arthur Mitchell's family; in season five the FBI has Arthur's son Jonah help sketch 'Kyle Butler', a loose end Dexter must manage.