“Swamp Thing” is one and done at DC Universe.

The James Wan-produced series will not return for a second season, an individual with knowledge of the decision tells TheWrap. The series was produced by “Aquaman” director James Wan and debuted last Friday (May 31).

It becomes the first DC Universe series to get the ax. DC Universe will still air the complete 10-episode season.

Also Read: DC Universe Cuts 'Swamp Thing' Episode Order

In “Swamp Thing,” Crystal Reed starred as Abby Arcane, Derek Mears portrayed Swamp Thing, while Andy Bean played Alec Holland, its human alter ego. The rest of the cast included Maria Sten, Jeryl Prescott, Henderson Wade, Kevin Durand, Will Patton, Virginia Madsen and Ian Ziering.

Per DC Universe, “Swamp Thing” follows Abby Arcane (Reed) as she investigates what seems to be a deadly swamp-born virus in a small town in Louisiana but soon discovers that the swamp holds mystical and terrifying secrets. When unexplainable and chilling horrors emerge from the murky marsh, no one is safe.

“Swamp Thing” was executive produced by James Wan, Mark Verheiden, Gary Dauberman, Michael Clear and Len Wiseman. “Swamp Thing” is based on DC characters created by Len Wein and Bernie Wrightson. Rob Hackett is co-producer. The series is produced by Atomic Monster in association with Warner Bros. Television. The pilot is written by Verheiden and Dauberman, and Wiseman is set to direct.