Seasons & episodes

S1 · E1The Blackwater 2022-05-13 · 53 min＋

London widow Cora Seaborne relocates to Essex to learn the truth about a rumored “sea dragon.” When a local girl goes missing, fears escalate.

S1 · E2Matters of the Heart 2022-05-13 · 53 min＋

Cora moves to Aldwinter, but the grieving villagers don't welcome her. Naomi struggles with her guilt about what happened to Gracie.

S1 · E3Falling 2022-05-20 · 45 min＋

After fishermen claim they were attacked by the serpent, Cora becomes more determined to understand what's in the water.

S1 · E4Everything Is Blue 2022-05-27 · 52 min＋

Luke throws a birthday party for Cora. During an eventful night, Cora and Will get closer—and Luke notices Stella is hiding something.

S1 · E5I Break Things 2022-06-03 · 51 min＋

Cora tries to put things behind her, but a chance encounter makes that complicated. Stella gets some bad news.

S1 · E6Surfacing 2022-06-10 · 54 min＋

Luke processes the incident. Cora has a realization. Will struggles with Stella's illness.