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120 Dexter Trivia Questions & Answers

Dexter Morgan can read a blood-spatter pattern in seconds, but can you untangle eight seasons of secrets?

This spoiler-filled Dexter trivia guide follows the original Showtime series from the Ice Truck Killer through Dexter's final stormy escape.

Forensic laboratory with microscope slides and the Miami skyline at night

Dexter Morgan and His Double Life

Start with the man who keeps blood slides, breakfast routines, and one very busy calendar.

  1. Which actor plays Dexter Morgan in the original series?
    Answer: Michael C. Hall
  2. What is Dexter's day job in Seasons 1 through 8?
    Answer: Blood-spatter analyst for Miami Metro Homicide
  3. What name does Dexter give his compulsion to kill?
    Answer: The Dark Passenger
  4. Who teaches Dexter the code that governs his killings?
    Answer: Harry Morgan
  5. What kind of people does Dexter target under Harry's Code?
    Answer: Murderers who escaped justice
  6. What trophy does Dexter usually take from each victim?
    Answer: A blood sample on a microscope slide
  7. Where does Dexter hide his blood-slide collection early in the series?
    Answer: Inside an air conditioner
  8. What boat does Dexter own at the start of the series?
    Answer: Slice of Life
  9. Which city is the main setting of the original series?
    Answer: Miami
  10. Who narrates much of the series through internal monologue?
    Answer: Dexter Morgan
  11. What food does Dexter cook in the opening title sequence?
    Answer: Breakfast
  12. What alias does Dexter use while befriending Arthur Mitchell in Season 4?
    Answer: Kyle Butler
  13. What name does Dexter use while visiting Nebraska in Season 6?
    Answer: Jim Lindsay
  14. Which fake surname later becomes Dexter's identity in Dexter: New Blood?
    Answer: Lindsay
  15. In the original-series finale, what occupation has Dexter taken in Oregon?
    Answer: Lumberjack
Sunlit Miami marina apartment with breakfast table and fishing boat

Family, Friends, and Miami Metro

The people closest to Dexter are also the ones most likely to notice that something is seriously off.

  1. Which actress plays Dexter's adoptive sister, Debra Morgan?
    Answer: Jennifer Carpenter
  2. What branch of law enforcement employs Debra?
    Answer: Miami Metro Police Department
  3. Who is Dexter's adoptive mother?
    Answer: Doris Morgan
  4. What is the name of Dexter's biological mother?
    Answer: Laura Moser
  5. Which detective becomes intensely suspicious of Dexter in Seasons 1 and 2?
    Answer: James Doakes
  6. What phrase does Doakes famously use when confronting Dexter?
    Answer: Surprise, motherfucker!
  7. Who leads Miami Metro Homicide at the beginning of the series?
    Answer: Lieutenant María LaGuerta
  8. Which detective is Dexter's friendly colleague and later Debra's partner?
    Answer: Angel Batista
  9. Which lab colleague is known for inappropriate jokes?
    Answer: Vince Masuka
  10. Which detective marries LaGuerta in Season 4?
    Answer: Angel Batista
  11. Who becomes Debra's confidential informant and boyfriend in Season 1?
    Answer: Rudy Cooper
  12. Which FBI agent leads the Bay Harbor Butcher investigation in Season 2?
    Answer: Frank Lundy
  13. Who is Dexter's records-department friend with terminal cancer?
    Answer: Camilla Figg
  14. Which detective joins Miami Metro in Season 3 and later dates Debra?
    Answer: Joey Quinn
  15. Who becomes lieutenant after LaGuerta is promoted to captain in Season 1?
    Answer: Esmee Pascal
Refrigerated truck on a wet palm-lined Miami street at night

Season 1: The Ice Truck Killer

These questions spoil the first season, including the identity behind those meticulously chilled crime scenes.

  1. What nickname is given to Season 1's serial killer?
    Answer: The Ice Truck Killer
  2. How are the Ice Truck Killer's displayed victims distinguished?
    Answer: Their bodies are drained of blood
  3. What vehicle does the Ice Truck Killer use in his work?
    Answer: A refrigerated truck
  4. What profession does Rudy Cooper claim to have?
    Answer: Prosthetist
  5. Who is Rudy Cooper really?
    Answer: Brian Moser
  6. How is Brian related to Dexter?
    Answer: He is Dexter's biological older brother
  7. Where were young Dexter and Brian found after their mother's murder?
    Answer: Inside a shipping container
  8. What distinctive prosthetic does Rudy fit for Tony Tucci?
    Answer: A prosthetic hand
  9. Whom does Brian propose to in Season 1?
    Answer: Debra Morgan
  10. Which child of Rita's has a name beginning with A?
    Answer: Astor Bennett
  11. What is Rita's son's name?
    Answer: Cody Bennett
  12. Who is Rita's abusive estranged husband?
    Answer: Paul Bennett
  13. What doll-related clue does the Ice Truck Killer leave for Dexter?
    Answer: A dismembered Barbie doll
  14. Where does Brian hold Debra for his planned final murder?
    Answer: The Moser family's former house
  15. How does Dexter stop Brian in the Season 1 finale?
    Answer: He kills Brian and stages the death as suicide

Seasons 2 and 3: Butchers, Brothers, and Betrayals

Next come the Bay Harbor Butcher hunt and Dexter's dangerously complicated friendship with Miguel Prado.

  1. What discovery launches the Bay Harbor Butcher investigation in Season 2?
    Answer: Divers find Dexter's dumped victim bags
  2. Who is publicly blamed for being the Bay Harbor Butcher?
    Answer: James Doakes
  3. Who holds Doakes captive in a cabin?
    Answer: Dexter
  4. Who kills Doakes by blowing up the cabin?
    Answer: Lila West
  5. What surname does Lila use when introduced?
    Answer: Tournay
  6. Where is Lila from?
    Answer: England
  7. What support group does Dexter attend in Season 2?
    Answer: Narcotics Anonymous
  8. Who serves as Dexter's sponsor in that group?
    Answer: Lila
  9. Where does Dexter kill Lila in the Season 2 finale?
    Answer: Paris
  10. Which assistant district attorney befriends Dexter in Season 3?
    Answer: Miguel Prado
  11. Whose death first brings Dexter and Miguel together?
    Answer: Oscar Prado
  12. What nickname is given to the killer who skins victims in Season 3?
    Answer: The Skinner
  13. What is the Skinner's real name?
    Answer: George King
  14. Which defense attorney does Miguel murder?
    Answer: Ellen Wolf
  15. What major personal event ends Season 3?
    Answer: Dexter and Rita's wedding

Season 4: Trinity Comes Knocking

Season 4 introduces a family man whose carefully repeated cycle makes him one of Dexter's most formidable opponents.

  1. What nickname is given to Arthur Mitchell?
    Answer: The Trinity Killer
  2. Which actor plays Arthur Mitchell?
    Answer: John Lithgow
  3. What charitable activity helps Arthur maintain his public image?
    Answer: Building homes with Four Walls One Heart
  4. What is the name of Arthur's wife?
    Answer: Sally Mitchell
  5. What is Arthur's teenage son's name?
    Answer: Jonah Mitchell
  6. What is Arthur's daughter's name?
    Answer: Rebecca Mitchell
  7. Which retired FBI agent returns to hunt Trinity?
    Answer: Frank Lundy
  8. Who shoots Lundy and Debra?
    Answer: Christine Hill
  9. How is Christine related to Arthur?
    Answer: She is his daughter
  10. What name does Arthur use for Dexter?
    Answer: Kyle Butler
  11. Which city does Dexter follow Arthur to on a road trip?
    Answer: Tampa
  12. What childhood tragedy involving Arthur's sister shaped his cycle?
    Answer: She died after falling in a shower
  13. Who is Dexter and Rita's baby son?
    Answer: Harrison Morgan
  14. Where does Dexter kill Arthur?
    Answer: In a prepared kill room
  15. Where does Dexter find Rita at the end of Season 4?
    Answer: Dead in the bathtub

Seasons 5 and 6: Barrel Girls and Doomsday

Grief, vigilante partnership, and apocalyptic symbolism keep the middle seasons anything but quiet.

  1. Who becomes Dexter's partner in revenge during Season 5?
    Answer: Lumen Pierce
  2. Which actress plays Lumen Pierce?
    Answer: Julia Stiles
  3. What shared crime links Jordan Chase and his circle?
    Answer: The Barrel Girl murders
  4. What is Jordan Chase's birth name?
    Answer: Eugene Greer
  5. What motivational phrase is associated with Jordan Chase?
    Answer: Take it!
  6. Which police officer discovers Dexter and Lumen's vigilante operation?
    Answer: Stan Liddy
  7. Who hires Liddy to investigate Dexter?
    Answer: Joey Quinn
  8. Why does Lumen leave Dexter at the end of Season 5?
    Answer: Her need to kill has disappeared
  9. What nickname is given to the killers in Season 6?
    Answer: The Doomsday Killers
  10. Who is the visible mentor figure beside Travis Marshall?
    Answer: Professor James Gellar
  11. What crucial truth is revealed about Gellar?
    Answer: He has been dead and exists in Travis's mind
  12. Which actor plays Travis Marshall?
    Answer: Colin Hanks
  13. What religious book shapes the Doomsday tableaux?
    Answer: The Book of Revelation
  14. Who is trapped in the Doomsday Killer's Lake of Fire tableau?
    Answer: Dexter
  15. What does Debra witness at the end of Season 6?
    Answer: Dexter killing Travis Marshall

Seasons 7 and 8: The Last Miami Cases

The final Miami chapters force Debra into Dexter's secret while two new masterminds test the Code.

  1. Whom does Debra kill in the Season 7 finale?
    Answer: María LaGuerta
  2. Where does Debra shoot LaGuerta?
    Answer: Inside a shipping container
  3. Which Ukrainian mobster pursues Dexter in Season 7?
    Answer: Isaak Sirko
  4. What is Isaak's relationship to Viktor Baskov?
    Answer: They were lovers
  5. Which woman poisons victims with aconite?
    Answer: Hannah McKay
  6. What is Hannah's profession when Dexter meets her?
    Answer: Florist
  7. Who plays Hannah McKay?
    Answer: Yvonne Strahovski
  8. Which true-crime writer dates Dexter and publishes about the Bay Harbor Butcher?
    Answer: Sal Price
  9. Which neuropsychiatrist says she helped Harry create the Code?
    Answer: Dr. Evelyn Vogel
  10. What nickname is given to Season 8's murderer who removes part of victims' brains?
    Answer: The Brain Surgeon
  11. Who is revealed as the Brain Surgeon?
    Answer: Oliver Saxon
  12. What is Oliver Saxon's birth name?
    Answer: Daniel Vogel
  13. How does Dexter kill Saxon?
    Answer: With a pen in the neck
  14. What medical crisis ultimately kills Debra?
    Answer: A stroke following complications from a gunshot wound
  15. Where does Dexter take Debra's body?
    Answer: Out to sea during the hurricane
Florida crime drama production set with lights, clapperboard, and director chair

Episodes, Cast, and Behind-the-Scenes Details

Finish with episode titles, performers, and production facts from the original 2006 to 2013 run.

  1. On which premium cable network did Dexter originally air?
    Answer: Showtime
  2. In what year did Dexter premiere?
    Answer: 2006
  3. How many seasons are in the original series?
    Answer: Eight
  4. How many episodes are in the original series?
    Answer: 96
  5. What is the title of the original series premiere?
    Answer: Dexter
  6. What is the title of the original series finale?
    Answer: Remember the Monsters?
  7. Which Jeff Lindsay novel inspired Season 1?
    Answer: Darkly Dreaming Dexter
  8. Who developed Dexter for television?
    Answer: James Manos Jr.
  9. Which actor plays Harry Morgan?
    Answer: James Remar
  10. Which actress plays Rita Morgan?
    Answer: Julie Benz
  11. Which actor plays Angel Batista?
    Answer: David Zayas
  12. Which actor plays Vince Masuka?
    Answer: C. S. Lee
  13. Which actor plays James Doakes?
    Answer: Erik King
  14. Which actor won a Golden Globe for playing Dexter in 2010?
    Answer: Michael C. Hall
  15. What 2021 sequel series continues Dexter's story in upstate New York?
    Answer: Dexter: New Blood

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Sources and Further Reading