English mystery web series on Plex in United States
36 English mystery web series are available on Plex in United States right now. Films made in English are marked "Original"; the rest are here because a platform lists a English audio track, or our team has verified one. Each card says which. The category comes from the film's own metadata, so a title can appear under more than one.
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Midsomer Murders 1997
Original English
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21 Jump Street 1987
Original English
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Haven 2010
Original English
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Z Nation 2014
Original English
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One Step Beyond 1959
Original English
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Manhunt 2017
Original English
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Unsolved Mysteries 1988
Original English
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A Haunting 2005
Original English
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The Dresden Files 2007
Original English
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Most Haunted 2002
Original English
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Sherlock Holmes 1954
Original English
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The Pact 2021
Original English
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Strange Days at Blake Holsey High 2002
Original English
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Pine Gap 2018
Original English
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Strange Hill High 2013
Original English
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Sam and Colby: Paranormal Investigators 2026
Original English
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72 Hours: True Crime 2004
Original English
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Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed 2008
Original English
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Terror Lake Drive 2020
Original English
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Amber 2014
Original English
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Secrets & Lies 2014
Original English
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Myths & Monsters 2017
Original English
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The Enfield Haunting 2015
Original English
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NASA's Unexplained Files 2012
Original English
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The Haunted Museum 2021
Original English
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Craig Charles: UFO Conspiracies 2022
Original English
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Scout & The Gumboot Kids 2015
Original English
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Serial 2024
Original English
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Billionaire Murders 2023
Original English
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Ghost Show 2024
Original English
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Mysteries of the Deep 2020
Original English
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Ghost Brothers 2016
Original English
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The Ghost Town Terror 2022
Original English
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Dark Passages 2021
Original English
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Kelsi Davies: Haunted Dolls 2024
Original English
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The Witching Season 2015
Original English
Frequently asked questions
Can I watch English mystery web series on Plex in United States?
Yes — 36 of them right now on Plex in United States. Each title page shows the platform, the audio languages it lists and the price.
Is the audio in English?
It depends on the title, and every card says which. On this page 36 were made in English, so the track is always there (marked "Original English"). Subtitles are never counted as audio.
I have a United States subscription — can I actually watch these in English?
Yes — all 36 are confirmed for United States on Plex. The title page names the platform and the audio tracks it reports, so you can check before starting.
Is the English catalogue on Plex United States the same as in India?
No. Plex licences per country, so the United States list is usually smaller and sometimes has titles India does not.
Which mystery web series can I watch on Plex in United States?
36 titles on this page are tagged Mystery and available on Plex in United States. Each title page names the platform and the audio languages.
How is the Mystery category decided?
From the film's own metadata — the same tags the platforms and film databases use. A film can sit in more than one category, so it may appear on several of these pages.
Does Plex United States have mystery web series?
Yes — 36 titles right now. The list changes as Plex adds and removes titles in United States.