Siren (2018)

Kernel Score: 87% · 3,406 ratings

Genres: Sci-Fi & Fantasy, Drama

First aired: 2018-03-29

Seasons: 3 · 36 episodes

Is Siren worth watching?

Worth watching. A mermaid-horror-meets-small-town-mystery series that takes its monsters seriously. It's more soapy than scary, but viewers who stuck with it rate it highly, and the creature design and slow-building conspiracy keep it moving across three seasons.

Watch it if you

  • like supernatural dramas with a romantic streak
  • enjoy a small town hiding a monster secret
  • want fantasy that's darker than teen fare

Skip it if you

  • want hard, gory horror
  • need a series that got a proper ending

Best for: Binge weekend

Fresh Kernels verdict, AI-assisted from our scores, audience reviews and the official rating.

Where to watch Siren

  • Stream: Hulu
  • Buy: Prime Video, Apple TV, Google Play

US availability, updated 2026-10-23.

Overview

The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.

Siren parents' guide: ages 12+

Parents need to know that Siren is a supernatural drama about mermaids threatening a coastal town.

  • Violence & scariness: Moderate — Involves predatory mermaid creatures in conflict with humans, implying menace and danger.

Fresh Kernels AI-assessed from the official TV-PG rating, publicly documented content. A guide for families, not an official rating.

Shows like Siren

If you liked Siren, these are the shows we'd watch next.

  • Mako: Island of Secrets (2013) — 86%: Another mermaid story, lighter and aimed at younger viewers
  • H2O: Just Add Water (2006) — 86%: The original teen mermaid show, same legend with far less bite
  • Supernatural (2005) — 92%: Monster-of-the-week mystery with family drama underneath
  • The Originals (2013) — 91%: Dark supernatural soap with romance and warring factions
  • The Umbrella Academy (2019) — 91%: Oddball supernatural drama that mixes mystery with character
  • Goblin (2016) — 92%: Fantasy romance built around an old, hidden myth

Cast

  • Eline Powell as Ryn
  • Alex Roe as Ben Pownall
  • Fola Evans-Akingbola as Maddie Bishop
  • Ian Verdun as Xander McClure
  • Rena Owen as Helen Hubbell

Siren FAQ

Is Siren worth watching?

Worth watching. A mermaid-horror-meets-small-town-mystery series that takes its monsters seriously. It's more soapy than scary, but viewers who stuck with it rate it highly, and the creature design and slow-building conspiracy keep it moving across three seasons.

Where can I watch Siren?

In the US you can stream Siren on Hulu and buy it from Prime Video, Apple TV and Google Play.

Is Siren OK for kids?

Siren is rated TV-PG. Fresh Kernels suggests ages 12+. Parents need to know that Siren is a supernatural drama about mermaids threatening a coastal town.

What shows are like Siren?

If you liked Siren, try Mako: Island of Secrets, H2O: Just Add Water, Supernatural and The Originals.