The Vanishing Triangle poster
Where to stream

The Vanishing Triangle

4.820231 season15TV SeriesDramaCrimeMystery

After investigative journalist Lisa Wallace publishes an article about her mother's murder, other girls start to disappear; she and Detective David Burkely investigate across Ireland, searching for the missing girls while the killer taunts Lisa. Inspired by true events.

DirectorsLaura Way·Imogen Murphy
WritersSally Tatchell·Rachel Anthony
ProducersLucy Roberts·Ana Habajec

Where to watch

Acorn TVAcorn TVAcornTV Amazon ChannelAcornTV Amazon ChannelAcorn TV Apple TV channelAcorn TV Apple TV channel
Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

E1
Episode 1
Oct 26, 2023 6.0
E2
Episode 2
Oct 26, 2023 6.0
E3
Episode 3
Nov 2, 2023 6.0
E4
Episode 4
Nov 9, 2023 6.0
E5
Episode 5
Nov 16, 2023 6.0
E6
Episode 6
Nov 23, 2023 5.0

Cast · Directed by Laura Way

IMIndia Mullen
India Mullen
Lisa Wallace
ALAllen Leech
Allen Leech
Detective David Burkely
ARAdam Richardson
Adam Richardson
Tommy Stephens
LSLaoise Sweeney
Laoise Sweeney
Susan Reynolds
FMFionnuala Murphy
Fionnuala Murphy
Frances Reynolds
SCSarah Carroll
Sarah Carroll
Mary Burkely
POPhilip O'Sullivan
Philip O'Sullivan
Det. Chief Supt. Gill
SHStephen Hogan
Stephen Hogan
Gough
BMBrian Moore
Brian Moore
Mark Bulger
JMJana Mohieden
Jana Mohieden
Mandy Clarke
CD
Carolyn Donnelly
Sinead Clarke
GDGracen Daly
Gracen Daly
Laura Doolan

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More from Allen Leech · Co-star actor

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More from Laura Way · Director

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The Vanishing Triangle — streaming FAQ

Which OTT platform streams The Vanishing Triangle?

The Vanishing Triangle is streaming on Acorn TV and AcornTV in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.

Is The Vanishing Triangle on Netflix?

No, The Vanishing Triangle is not on Netflix in United Kingdom as of October 2026. It's currently on Acorn TV and AcornTV.

Is The Vanishing Triangle on Amazon Prime Video?

The Vanishing Triangle isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.

Where can I watch The Vanishing Triangle for free?

The Vanishing Triangle is available on Acorn TV and AcornTV in United Kingdom, but you'll need an active subscription — there's no free option right now.

How many seasons are in The Vanishing Triangle?

The Vanishing Triangle has 1 season in total (6 episodes). The series concluded in 2023.

Are all episodes of The Vanishing Triangle out yet?

Yes — all 6 episodes across 1 season of The Vanishing Triangle are out and available to stream.

Is there a Season 2 of The Vanishing Triangle?

No — The Vanishing Triangle ended after 1 season, so there is no Season 2.