Will finds a car in the swamp, and attached are two married ghosts and their remains. The search for their killer, who just might be an old acquaintance of theirs, begins with the help of Will and the Swamp Thing.

Jim and Oboe sneak out on a midnight visit to the swamp to find the Swamp Maiden, who appears only once a year. Despite warnings from the Swamp Thing, they, along with a visitor from the newspaper, come to learn the meaning of "looks that kill".

A mutant insect is on the loose in the swamp and Jim's curiosity makes him a victim of its deadly bite.

The Swamp Thing and Arcane switch bodies for a night and find that they are not fit to walk in each other's shoes.

An old adversary of Arcane is back in town and he has something Arcane wants. Tressa and Abigail are held hostage and the swamp takes a deadly blow as a result.

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

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.

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.

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.

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 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 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 and a scheming hack journalist unearth a cursed mummy.

Arcane wines and dines a pretty reporter, but she is not who she claims to be.

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.

Brad is dating Tressa, but his brother is a killer who is looking for him.

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.

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 gods make a bet and the swamp is the playground.

Arcane falls in love with a model, but his counterfeit emeralds can possibly doom their romance.

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.

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.

11-year-old Jim Kipp and his mother, Tressa are spending some time at her mom's house in the swamps of Houma. Jim is introduced to the mysteries and the danger of the swamp while Tressa struggles to bond with Jim.