Film · 2025 · Where to watch
The Serial Killer’s Apprentice
Updated November 2, 2026
The Serial Killer’s Apprentice is included with four subscriptions in the US — Discovery+, Discovery+ (Via Amazon Prime), HBO Max and MAX (Via Amazon Prime) — plus one rent-or-buy option. Here is the full list and the cheapest way in.
Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer — and the terrifying truth behind the line between victim and predator.
- Year
- 2025
- TMDB rating
- 6.4/10 · 9 votes
- Genre
- Documentary, Crime
- Runtime
- 1h 23m
Streaming now
How to watch The Serial Killer’s Apprentice
The Serial Killer’s Apprentice is included with four different subscriptions — Discovery+, Discovery+ (Via Amazon Prime), HBO Max and MAX (Via Amazon Prime) — so if you already pay for any of them there is nothing extra to buy.
To own it instead, you can buy from $1.99 on Amazon.
The film released in 2025 and runs 1h 23m.
Starring Katherine Ramsland and Wayne Henley.
Common questions
Is The Serial Killer’s Apprentice on Prime Video?
Yes. As of November 2, 2026, The Serial Killer’s Apprentice is on Prime Video in the US to buy from $1.99.
Is The Serial Killer’s Apprentice on Netflix?
No. As of November 2, 2026, The Serial Killer’s Apprentice is not streaming on Netflix in the US. It is on Discovery+, Discovery+ (Via Amazon Prime) and HBO Max instead.
Can I watch The Serial Killer’s Apprentice for free?
Not without a subscription. There is no ad-supported free stream in the US right now; the closest is a free trial on Discovery+ and Discovery+ (Via Amazon Prime) where one is offered.
Track The Serial Killer’s Apprentice in GuideStream TV
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