Ann Fisk returns to the swamp to find the mysterious voice that guided her before on the suspicion that she knows who he is. The Swamp Thing has discovered a fascinating phenomenon about his power. Meanwhile, two brothers seek revenge on Arcane for his evil and Ann is caught in the middle.

Dorian is an emotionally troubled teenager. He befriends Will, who begins to discover his troubled home life. Will and the Swamp Thing begin to try to help Dorian but there is one catch: Dorian could also be a vampire.

Sheriff Andrews allows Dr. Arcane to hunt an employee for sport. To teach Andrews a lesson, the Swamp Thing traps the corrupt sheriff in a fantasy of the Wild West populated by familiar faces, forcing him to duel the evil Renegade Jake in a fight to the death.

Graham leads a team of heavily armed mercenaries into the swamp to kill the Swamp Thing once and for all. Meanwhile, Tressa learns a few of the secrets of the swamp when she has a wounded visitor.

Will leads two spoiled girls on a journey through the swamp that tests their character.

Arcane and a scheming hack journalist unearth a cursed mummy.

Will is arrested for a murder that he did not commit.

Tressa's long-estranged sister returns looking for shelter from an enemy of her husband and ends up putting the Kipp house in danger, in the midst of a hurricane.

When an elderly woman, named Irma Swanson, who knew and befriended the Swamp Thing, dies, her estranged daughter, Cathy, comes to town for her funeral. The Swamp Thing and the spirit of Irma then show Cathy the past of Irma’s troubled life in order for Cathy to make amends.

An experiment gone awry turns Arcane into a kind-hearted good guy and renders the Swamp Thing helpless and insane.

Arcane accidentally creates a half-plant/half-robot with evil intentions from a mutated garden. The results are deadly to the swamp.