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This one-night drama tells the extraordinary true story of Victorian poisoner Mary Ann Cotton, played by Golden Globe winner and Emmy award nominee Joanne Froggatt (Downton Abbey).

Watch • 3:30
Dark Angel
Joanne Froggatt on Mary Ann Cotton
Actress Joanne Froggatt explores the story of serial killer Mary Ann Cotton.
Clip: S2017 | 3:30
Watch • 0:30
Dark Angel
Coming May 21
Watch the true story of Mary Ann Cotton, the infamous Victorian serial killer.
Preview: S2017 | 0:30
Watch • 0:30
Dark Angel
Trailer
See a preview of Dark Angel, starring Joanne Froggatt.
Preview: S2017 | 0:30
Funding for MASTERPIECE is provided by Viking and Raymond James with additional support from public television viewers and contributors to The MASTERPIECE Trust, created to help ensure the series’ future.
Latest Episodes
Watch • 1:52:42
Dark Angel
Dark Angel
Dark Angel tells the story of Mary Ann Cotton: loving wife, mother, and serial murderer.
Episode: S2017 E1 | 1:52:42
Extras
Watch • 1:46
Dark Angel
Anna Bates vs. Mary Ann Cotton
Joanne Froggatt on
Clip: S2017 | 1:46
Watch • 1:28
Dark Angel
Scene
See a scene from Dark Angel.
Clip: S2017 | 1:28
Watch • 1:45
Dark Angel
What is Dark Angel?
Joanne Froggatt on Dark Angel.
Clip: S2017 | 1:45
Watch • 1:00
Dark Angel
MASTERPIECE Spring 2017 Preview
See what's coming to MASTERPIECE in 2017.
Preview: S2017 | 1:00