
About this season
CDC researcher Abby Arcane investigates what seems to be a deadly swamp-born virus in a small town in Louisiana but she soon discovers that the swamp holds mystical and terrifying secrets. When unexplainable and chilling horrors emerge from the murky marsh, no one is safe.
Episodes (10)

1. Pilot
7.6Aired 31 May 2019 • 50 min
Something unnatural is happening in the swamps outside Marais, Louisiana. When a mysterious illness strikes the town, CDC investigator (and former Marais native) Abby Arcane is sent to investigate.

2. Worlds Apart
7.0Aired 7 June 2019 • 50 min
Certain that Alec's disappearance is more than an accident, Abby and Matt venture into the swamp, where she encounters Swamp Thing. Scientist Jason Woodrue comes to Marais.

3. He Speaks
7.3Aired 14 June 2019 • 50 min
When her friend and co-worker is stricken with the green flu, Abby searches Alec’s lab for a cure, but instead finds the latest supernatural reanimation from the Rot.

4. Darkness on the Edge of Town
7.8Aired 21 June 2019 • 50 min
While Swamp Thing senses a growing darkness within the swamp, Abby’s return dredges up her dark history with the Sunderlands. We learn more about the mysterious Dan Cassidy.

5. Drive All Night
6.9Aired 28 June 2019 • 50 min
While Swamp Thing struggles to come to terms with his transformation with the help of a Phantom Stranger, Jason Woodrue shares a revelation with Avery Sunderland.

6. The Price You Pay
7.5Aired 5 July 2019 • 50 min
While Swamp Thing finds a new way to communicate with Abby, Matt learns the truth about Alec Holland and Avery pressures Woodrue to deliver results.

7. Brilliant Disguise
7.3Aired 12 July 2019 • 50 min
While Maria meets with the shadowy finance group known as the Conclave, Lucilia leads Avery out into the swamp under false pretenses.

8. Long Walk Home
7.3Aired 19 July 2019 • 50 min
After a harrowing journey of survival through the swamp, Avery comes face to face with Swamp Thing, who rescues the injured man and helps his recovery.

9. The Anatomy Lesson
7.7Aired 26 July 2019 • 50 min
While Abby and Liz track down the secret Conclave facility, Jason Woodrue conducts experiments on Swamp Thing and makes an incredible discovery.

10. Loose Ends
7.3Aired 2 August 2019 • 50 min
Still reeling from the revelation of the truth behind his existence, Swamp Thing goes on the offensive against Ellery's mercenary team hunting him; Abby comes up against Jason Woodrue, who has crossed the line to save his wife's life.