Unknown Serial Killers of America

TV series · Spain

Unknown Serial Killers of America

2025Documentary · Crime

★ 8 / 10 TMDb rating · 2 votes

Spain

Where can you watch Unknown Serial Killers of America?

Last checked: Sep 12, 2026, 12:09 AM UTC

Watch Unknown Serial Killers of America (2025) in Spain: compare confirmed streaming providers and available ways to watch.

At the last check: Paid add-on channels also offer this title: Prime Video + Hayu and Prime Video + AMC Channels. They are not automatically included in a base subscription.

Outdated information — check with the provider.

Prime Video

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Series offerAudio: English
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Prime Video

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Series offerAudio: English
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Seasons

A series offer does not confirm every season or episode.

Season 1+

Prime Video

Add-on subscription · Hayu

Season 1Audio: English
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Prime Video

Add-on subscription · Hayu

Episode 1 · Episode 4Audio: EnglishSubtitles: English
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Prime Video

Add-on subscription · Hayu

Episode 1 · Episode 5Audio: EnglishSubtitles: English
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Prime Video

Add-on subscription · Hayu

Episode 1 · Episode 6Audio: EnglishSubtitles: English
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Prime Video

Add-on subscription · AMC Channels

Season 1Audio: English
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Prime Video

Add-on subscription · Hayu

Episode 1 · Episode 1Audio: English
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Prime Video

Add-on subscription · Hayu

Episode 1 · Episode 2Audio: English
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Season 2+

No confirmed offers for this season.

What is Unknown Serial Killers of America about?

Explores the chilling cases of lesser-known serial killers whose crimes went unnoticed for years, leaving a trail of fear and unsolved murders before they were finally caught.

Questions about Unknown Serial Killers of America

Can I watch Unknown Serial Killers of America for free?

The last check found no free offer for Unknown Serial Killers of America in Spain. A paid subscription is not counted as free.

What picture and language options are available?

Check picture quality, audio and subtitles with the provider before you start watching.

Which seasons of Unknown Serial Killers of America can I stream?

Specific season or episode offers for Unknown Serial Killers of America cover seasons 1. Open a season to compare providers and prices. A series-level offer does not automatically confirm every season.

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