Siren – Season 2, Episode 15: “Sacrifice”

Ryn must undergo a difficult process to ensure the survival of her species

Siren – Season 2, Episode 13: “The Outpost”

The military spy on Ben, Maddie, and Ryn, while the mermaid struggles once mating season begins.

Siren – Season 2, Episode 12: “Serenity”

Ryn takes Ben and Maddie to a secret place below the ocean. Levi returns to land.

Siren – Season 2, Episode 9: “No North Star”

Ryn returns to Ben and Maddie. The thrupple must learn to trust an outsider.

Siren – Season 2, Episode 4: “Oil & Water”

Ben struggles with the siren's song effects, but Ryn also struggles with her feelings for him and Maddie, too.

Siren – Season 2, Episode 2: “The Wolf at the Door”

Ben struggles with the siren's song. Xander finds out about the merpeople on land.

Siren – Season 1, Episode 10: “Aftermath”

Helen reveals more of her history. Bristol Cove deals with the aftermath of a merfolk attack.

Siren – Season 1, Episode 9: “Street Fight”

The merfolk have a civil war between their hierarchy on land, involving everybody in Bristol Cove.