About the show
Sherlock Holmes: The Adventure of the Innsmouth Crown is a drama and horror theatre production by Innsmouth Crown Productions at Theatre 3. When Kelly clears out her mother's care home belongings, she discovers that her grandfather was Dr John Watson. Digging further, she uncovers the untold final case of Sherlock Holmes, involving an otherworldly crown of mysterious origin and the abandoned American coastal town of Innsmouth. The show runs for 50 minutes, is suitable for audiences aged 16 and over, and tickets are £15.
Why see this show?
A fresh angle on Sherlock Holmes — told through a descendant who never knew her connection to Watson, uncovering a mystery involving an otherworldly crown. An intriguing blend of horror and classic detective fiction.
Monday 24 - Saturday 29 August 2026
All performances at 19:05
6 performances
50 minutes
4 performers
Edinburgh Festival Fringe 2026
£15 (12.50)
Frequently Asked Questions
How long is the show?
The show runs for 50 minutes.
How much do tickets cost?
Tickets are £15.
Is there an age guidance?
The show is suitable for audiences aged 16 and over.
Where is the show performed?
The show takes place at Theatre 3.
What is the show about?
Kelly discovers her grandfather was Dr John Watson and uncovers the untold final case of Sherlock Holmes, involving an otherworldly crown and the abandoned coastal town of Innsmouth.
Are there any content warnings?
The show contains distressing or potentially triggering themes.
About This Theatre Production
Sherlock Holmes: The Adventure of the Innsmouth Crown is a theatre performance at Theatre 3 during Edinburgh Festival 2026. Running for 50 minutes, this show is part of the world's largest arts festival, bringing together performers and audiences from across the globe.
Experience compelling storytelling brought to life by talented performers. Theatre at Edinburgh ranges from intimate black box productions to grand stage spectacles.
Venue: Theatre 3
Theatre 3 is one of Edinburgh's Festival venues, hosting a variety of performances throughout August. Located in the heart of the city, the venue is accessible by public transport and within walking distance of other Festival locations.
Tips for Attending
- •Check for trigger warnings if sensitive to certain topics
- •Most Fringe theatre runs without interval
- •Latecomers may not be admitted
- •Consider matinee performances for a relaxed experience
Booking Information
Ticket Prices: From £15
Age Guidance: 16+
Content Warnings: Contains distressing or potentially triggering themes
Book early to avoid disappointment. Popular shows sell out quickly during Edinburgh Festival.
Part of Edinburgh Festival 2026
Edinburgh Festival transforms Scotland's capital into the world's leading cultural destination every August. With thousands of performances across hundreds of venues, the festival offers unparalleled choice for culture lovers.Sherlock Holmes: The Adventure of the Innsmouth Crown represents the theatrical innovation that makes Edinburgh Festival unique.
Looking for more theatre shows at Edinburgh Festival 2026?
Browse all Theatre shows →Similar Events
Data provided courtesy of the Edinburgh Festivals Listings API
