Siren - Full Series Information, Trailer & IMDb Reviews
Watch Siren Season 3 Episode 1 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives. Maddie learns the truth behind Ian's death, as Ben fights for his mother's treatments. While Xander is inspired to take on more responsibility.