Where can I watch “Siren” Season 3 Episode 7 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Alliances”?

Watching earlier episodes in season 3 helps you follow the plot and character arcs leading into this episode.

Watch Siren Season 3 Episode 7 Online

“Alliances” — Watch "Siren" Season 3 Episode 7 online in HD for free. Check streaming providers, cast, and episode details.

May 7, 2020 Season 3 Episode 7 42 min TV-PG

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Siren Season 3

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Where can I watch "Alliances" online?

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Season 3 Episode 7 — Aired on May 7, 2020 • runs about 42 minutes.

Notable cast/guest names in this episode include Eline Powell, Alex Roe, Fola Evans-Akingbola, Ian Verdun.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Siren Season 3 Episode 7 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Ryn, Ben et Maddie se mettent en quête de nouveaux alliés dans leur combat contre Tia. Hantée par l'esprit de Donna, Helen est à la recherche de réponses.