Swamp Thing is an American superhero horror web television series based on the DC Comics character of the same name. The ten-episode series premiered May 31, 2019, on DC Universe. Despite positive reviews, the series was canceled shortly after its first episode aired. Abby Arcane returns home to Marais, Louisiana, to investigate a deadly swamp-borne virus, where she develops a bond with disgraced scientist Alec Holland. After Holland tragically dies, Abby discovers the mysteries of the swamp and that Holland may not be dead after all.