How many seasons does Killing Grounds: The Gilgo Beach Murders have?

Killing Grounds: The Gilgo Beach Murders has 1 season and 4 episodes.

Is Killing Grounds: The Gilgo Beach Murders renewed or canceled?

Killing Grounds: The Gilgo Beach Murders is currently ended.

Where can I watch Killing Grounds: The Gilgo Beach Murders?

Killing Grounds: The Gilgo Beach Murders is available on Prime Video. You can stream it on Amazon Prime Video, Amazon Prime Video with Ads.

Killing Grounds: The Gilgo Beach Murders

Name: Killing Grounds: The Gilgo Beach Murders
Genre: Documentary, Crime
Released: 2026-04-21
Rating: 6.8

ENDED1 Seasons4 Episodes★ 6.8

NetworkPrime Video

First AiredApr 21, 2026

Last AiredApr 21, 2026

GenreDocumentary, Crime

Runtime43 min

When a woman vanishes, police find bodies along Long Island's shore. Years of dead ends and overlooked victims stall the case until a new task force spots a suspect hiding in plain sight. With trial looming, insiders and families speak.

WHERE TO WATCH

Amazon Prime Video

Amazon Prime Video with Ads

Data via JustWatch / TMDB

Seasons & Episodes1 season · 4 episodes

0% complete

E1Part One

Apr 21, 202647m

While searching for a missing woman on Long Island, police uncover a hidden burial ground. As families demand answers, investigators begin to realize a serial killer may have been operating unnoticed for years.

E2Part Two

Apr 21, 202638m

After years of stalled leads and system failures, a new task force reopens the Gilgo case, unearthing phone records, witness accounts, and vehicle clues that all point to a suspect who's been hiding in plain sight.

E3Part Three

Apr 21, 202642m

A year of surveillance and clandestine DNA sampling leads to Rex Heuermann's arrest. As investigators dig deeper, other victims are connected as terrifying new evidence is revealed.

E4Part Four

Apr 21, 202645m

A disturbing document recovered from Rex Heuermann's computer reveals what looks like a detailed murder plan. Investigators add victims and trace links far beyond Long Island. Ahead of the trial, a court ruling reveals the path forward for the case.

About Killing Grounds: The Gilgo Beach Murders

Killing Grounds: The Gilgo Beach Murders is a documentary, crime series on Prime Video. The show first aired on Apr 21, 2026 and currently has 1 season and 4 episodes. Killing Grounds: The Gilgo Beach Murders has ended after 1 seasons. It has a rating of 6.8/10 based on 4 votes.