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.
One of Arcane's mentors, Oliver Duncan, has died, taking his secret research with him. Arcane is determined to get at what is left of his research by seducing Oliver's daughter Louise, but she has plans of her own.
The Swamp Thing gets addicted to hallucinogenic iguana eggs which makes him live out a fantasy of being human again. His addictions almost cost Will his life when Arcane gets involved.
Arcane falls in love with a model, but his counterfeit emeralds can possibly doom their romance.
The gods make a bet and the swamp is the playground.
A little boy dreams of being a pirate. When the boy accidentally stumbles on a plot from Arcane, it could cost him and his mother their lives. The Swamp Thing and Will help the boy's dream come true.
The justice of the swamp comes in the form of a panther that stalks Arcane's compound. Arcane and his associates will be humbled one way or another, and the Swamp Thing can do nothing about it.
Brad is dating Tressa, but his brother is a killer who is looking for him.
Arcane accidentally creates a half-plant/half-robot with evil intentions from a mutated garden. The results are deadly to the swamp.
A mysterious couple search the swamp for the legendary Fountain of Youth. Arcane learns about the couple's plans and tries to find the Fountain first, as Will is caught in the middle of the couple's debate on whether or not the Fountain even exists.
An old man has a deadly, infectious virus that only Alec's blood can cure. Arcane tries to exploit the disease for himself.
An experiment gone awry turns Arcane into a kind-hearted good guy and renders the Swamp Thing helpless and insane.
Arcane and Graham are haunted by a poltergeist...a familiar one.
Will falls in love with a woman who claims to have known him in a past life.
Arcane wines and dines a pretty reporter, but she is not who she claims to be.
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.
Will is arrested for a murder that he did not commit.
Arcane and a scheming hack journalist unearth a cursed mummy.
Arcane, trapped in a cave with an unconscious Swamp Thing, launches into a monologue that sheds light on his motivations and (deep, enormous) neuroses.
A lunatic escapes from a local asylum and knocks on Tressa's door late at night. He proclaims himself as an alien killer. Even the Swamp Thing is in danger.
Will leads two spoiled girls on a journey through the swamp that tests their character.
Arcane is convinced that Carter LaRoche is attacking him in the night, but LaRoche is locked up in an insane asylum, and he is getting pretty friendly with Will.
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's experiment to bring out the inner beast in a human being works a little too well. He goes on a rampage and his assistants will suffer the cost as they, along with the Swamp Thing, search the swamp to stop him.
A chemical plant causing toxic damage to the swamp is the key to a darker future. The owner of the chemical plant and an obsessed journalist are teleported to the future to see first hand what the damage is causing.
Arcane hosts a science conference, but it is crashed by a professional hit man who used to work for Sunderland and now has a score to settle. The Swamp Thing discovers the identity of the hit man and has a score to settle of his own.
A hunter and his son search the swamp for an endangered hawk. Their relationship is in shreds, and their conflict may prove deadly for Will, who has been adopted by the swamp to help protect the hawk.
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.
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.
Arcane's genius mentor, Carl Mirador, has died. Using an experimental brain cell transfer, Arcane transfers all of Mirador's knowledge into his own brain. He also transfers Mirador's mental illnesses. Meanwhile, Will meets, and falls for, Mirador’s granddaughter, Dana.
When Arcane unleashes a genetic assassin into the swamp in the form of a virus, he gets more than he bargained for; he not only gets rid of the Swamp Thing, but he accidentally brings Alec Holland back.
The Swamp Thing's worst enemy is also the enemy of the swamp...himself.
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.