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Killing Grounds: The Gilgo Beach Murders poster

SERIES SPOTLIGHT • FLIXMOMO

Killing Grounds: The Gilgo Beach Murders

2026★ 6.8 / 1043 min1 Season

Crime Documentary

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.

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1 SeasonComplete series guide43 minRuntime6.8Community score

EPISODE GUIDE

Seasons & Episodes

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Killing Grounds: The Gilgo Beach Murders Part One

S1 E1 Part OneApr 21, 2026 · 47 minWhile searching for a missing woman on Long Island, police uncover a hidden burial ground. As families demand answers, investigators begin to realize a…Episode details →

Killing Grounds: The Gilgo Beach Murders Part Two

S1 E2 Part TwoApr 21, 2026 · 38 minAfter years of stalled leads and system failures, a new task force reopens the Gilgo case, unearthing phone records, witness accounts, and vehicle clues…Episode details →

Killing Grounds: The Gilgo Beach Murders Part Three

S1 E3 Part ThreeApr 21, 2026 · 42 minA year of surveillance and clandestine DNA sampling leads to Rex Heuermann's arrest. As investigators dig deeper, other victims are connected as terrifying new…Episode details →

Killing Grounds: The Gilgo Beach Murders Part Four

S1 E4 Part FourApr 21, 2026 · 45 minA disturbing document recovered from Rex Heuermann's computer reveals what looks like a detailed murder plan. Investigators add victims and trace links far beyond…Episode details →