When did Swamp Thing Season 1 Episode 4 air?
Swamp Thing Season 1 Episode 4 aired on June 21, 2019.


Force of nature.
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.

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.
Direct answers for episode-level questions and details.
Swamp Thing Season 1 Episode 4 aired on June 21, 2019.
This episode runs for approximately 50 minutes.
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