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Season guide

Swamp Thing: Season 1

10 episodes Premiered May 31, 2019 Updated Jul 23, 2026
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Season 1 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 1 Progress Shield

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Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

30%
70%
Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Pilot

May 31, 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 sen

S1·E2 Core

Worlds Apart

Jun 7, 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.

S1·E3 Core

He Speaks

Jun 14, 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.

S1·E4 Core

Darkness on the Edge of Town

Jun 21, 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.

S1·E5 Core

Drive All Night

Jun 28, 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.

S1·E6 Core

The Price You Pay

Jul 5, 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.

S1·E7 Core

Brilliant Disguise

Jul 12, 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.

S1·E8 Core

Long Walk Home

Jul 19, 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.

S1·E9 Mytharc

The Anatomy Lesson

Jul 26, 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.

S1·E10 Mytharc

Loose Ends

Aug 2, 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 Wood

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