Arcane is possessed by evil spirits when he tries to practice voodoo.

The Swamp Thing is struggling to remain hopeful that he will be human again. Someone from the past comes to visit him, using Will to guide her to him. Only Will does not believe that she is who she says she is, and he is about to learn who he can and cannot trust.

Arcane is judged by the victims of his evil when he is killed by a laboratory accident. In this mock trial, he finds out who hates him and why, while he unsuccessfully tries to defend himself.

Nathan Stone is a heavy metal musician staying alone in the Kipp boarding house where the Swamp Thing terrorizes him with a series of mind games as he seeks to teach the shallow and egotistical rock star to take responsibility for his wicked lyrics that have led to the suicide of two teenage fans.

Arcane's rival, Carla Jeffries (Tyne Daly) takes over his business, putting Arcane in the streets and stealing his "loyal assistant", Graham. The Swamp Thing discovers that she is a much more formidable enemy than Arcane ever was.

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.

Three convicts escape from prison in search of loot from a heist buried in the swamp. They soon discover they are not only being followed by the cops, but the Swamp Thing as well.

Arcane, trapped in a cave with an unconscious Swamp Thing, launches into a monologue that sheds light on his motivations and (deep, enormous) neuroses.

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.

Arcane and Graham are haunted by a poltergeist...a familiar one.

A film crew comes to the swamp for a TV movie about Arcane. Things quickly go awry when the lead actor is murdered and mysterious script pages appear detailing the truth about Alec's transformation and Arcane's crimes.