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Sherlock Quiz (BBC): 20 Trivia Questions for Real Fans

Test your BBC Sherlock knowledge with 20 episode-based questions (S1–S4 + Special). Challenging questions with clear answers, with sources and spoiler notes.

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Sherlock Quiz

About This Sherlock Quiz

This quiz checks how well you remember BBC’s Sherlock. It covers Seasons 1 to 4 and the 2016 special, with episode-based items on cases, quotes, motives, and background details. Difficulty is mixed. Some questions are easy recalls. Others ask for small clues you only notice after a rewatch. You can guess, review the answer, and move on. Most people finish in a few minutes, and many discover gaps they did not expect.

What to expect is simple. You will face clear, single best answer questions. Each one points to a moment in the show, so your memory is doing the work, not tricks. We avoid vague wording. We avoid hype. If a fact is disputed or depends on a cut, we state it. Spoiler note applies for first-time viewers. If you want a clean run, bookmark this page and return after you finish the series.

If you enjoy character-driven crime stories, you may also like our related quizzes. Try the True Detective character quiz, see which profiler fits you in the Criminal Minds character quiz, or explore a twisty BBC thriller with The Tourist character quiz. These pages attract the same audience and help you compare worlds, tones, and investigative styles.

  • Coverage: Seasons 1 to 4 plus the 2016 special.
  • Focus: Cases, relationships, recurring symbols, and notable quotes.
  • Format: Multiple choice, one correct answer, instant feedback.
  • Tip: If an item feels tough, think of the scene framing or the cold open.

We keep the facts consistent with widely known references. For show credits and synopses, see BBC Programmes. For production dates, cast, and episode pages, check IMDb. For a compact list, use epguides. For background on reception and development, see Wikipedia. We review these sources when updating questions and answers.

Ready to test your recall. Start the quiz, answer at your own pace, and see what you still remember from Baker Street.

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Questions of The Quiz

1
What is the address of Sherlock and John’s flat?
Two men standing next to each other looking at a cell phone.

  • 211A Baker Street

  • 222B Baker Street

  • 221A Baker Street

  • 221B Baker Street

2
Why did Sherlock play the violin?
Benedict cumberbatch playing the violin in sherlock.

  • To practice

  • To think better

  • To entertain himself

  • For no particular reason

3
Where did Dr. Watson study?
A man sitting in a room with a sink.

  • Oxford

  • Cambridge

  • Barts

  • Manchester

4
What is the name of Sherlock’s website?
Benedict cumberbatch in london.

  • The Art of Observation

  • The Science of Deduction

  • Baker Street Cases

  • The Consulting Detective

5
Moriarty broke into all of the following places but one. Which one he did not?
A man in a suit standing in a hallway.

  • Buckingham Palace

  • Bank of England

  • Pentonville Prison

  • Tower of London

6
What was the name of the first case Shelock and Dr. Watson solved together?
Sherlock holmes - beware.

  • The Great Game

  • A Study In Pink

  • The Blind Banker

  • The Reichenbach Fall

7
In “A Scandal in Belgravia” (S2E1), on what number does John’s blog hit counter get stuck?
Sherlock holmes - sherlock holmes - sherlock holmes - sherlock holmes.

  • 1896

  • 1897

  • 1894

  • 1895

8
How many cannibals did they keep in Sherrinford?
An aerial shot of a castle on top of a rocky island.

  • 4

  • 2

  • 5

  • 3

9
Where was Sherlock when he saw the special episode's events?
Two men in coats standing in front of a building.

  • In his house

  • In a train

  • In a prison

  • On an airplane

10
For how long did Sherlock pretend to be dead?
Sherlock holmes on a cell phone in front of a city.

  • Almost 2 years

  • Almost1.5 years

  • Almost 2.5 years

  • almost 3 years

11
What case did Sherlock explain and solved in Dr. Watson's wedding?
A bride and groom walking down the aisle of a church.

  • The Poison Giant

  • The Bloody Guardsman

  • The Geek Interpreter

  • The Aluminium Crutch

12
What was the number of the flight of the dead?
A large airplane parked on the tarmac at night.

  • 008

  • 006

  • 007

  • 009

13
What is the full name of Dr. Watson?
A man in a suit is standing next to a staircase.

  • John Hamish Watson

  • John William Watson

  • James Hamish Watson

  • James Liam Watson

14
Where did Sherlock and Moriarty meet for the first time?
Two men standing next to each other on a rooftop.

  • Police Station

  • Pool

  • Hospital

  • Laboratory

15
What was the name of the dog that was used by Sherlock in one of the episodes?
A woman is standing next to a dog on a leash.

  • Charlie

  • Max

  • Toby

  • Cooper

16
Sherlock's sister was estimated to be smarter than which of the following?
A woman with long hair standing in a dark room.

  • Albert Einstein

  • Nikola Tesla

  • Marie Curie

  • Isaac Newton

17
What was the age gap between Sherlock and his brother?
Two men in suits standing next to each other.

  • 5 years

  • 6 years

  • 7 years

  • 8 years

18
In “The Final Problem” (S4E3), what is Redbeard’s real identity?
Benedict cumberbatch is holding a gun.

  • Victor Trevor

  • Bob Trevor

  • Victor Travers

  • Oliver Trevor

19
How many Sherlock episodes are there so far?
Benedict cumberbatch in benedict cumberbatch.

  • 12

  • 13

  • 14

  • 15

20
Which of the following names does Irene Adler prefer?
A woman sitting in the back seat of a car.

  • The Woman

  • Dominatrix

  • The Torturer

  • Miss Adler