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.

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.

Ian James, an unscrupulous anthropologist, has come to the swamp to create a reputation for himself and the swamp suffers for it. Tressa is quite taken with him and in the process, the Swamp Thing is caught on film.

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.

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

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.

Ann Fisk, a scientist and former student of Alec Holland, is in town. Ann's mentor, Carter LaRoche, has designs to build a recycling factory under Arcane's financing in the swamp. Ann must trust a strange voice in the swamp to expose an evil that she is not aware of.

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.

Arcane finally resurrects his wife Tatania, only to learn the woman is an impostor. A few hours in the lab with this woman leads Arcane to discover the true whereabouts of his beloved wife and the identity of her captor; General Sunderland.

Will is taken hostage by two greedy explorers who force him to help them find the location of a mystic Mayan temple in the swamp, housing buried treasure and ghosts.

Still fruitlessly searching for her missing son Jim, Tressa is diverted when she hears the voice of her former boyfriend, a radio jockey from the 70's. Tressa begins a second hunt for answers, as she discovers what really happened when her boyfriend disappeared 18 years ago, guided by his voice from the grave.

The Swamp Thing's worst enemy is also the enemy of the swamp...himself.

Will has a secret from his past that comes back to haunt him. The swamp forces Will to face his inner demons, as well as the visitors that he does not know are waiting for him at the house.

Will falls in love with a lovely carnival worker named Amanda. Yet, Will becomes aware that Amanda is being held against her will by the shady carnie owner, Hurley, who has a dark agenda for Will.

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.

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.

An old man has a deadly, infectious virus that only Alec's blood can cure. Arcane tries to exploit the disease for himself.

The ghosts of two temporally displaced Confederate Civil War soldiers appear in the swamp, one of whom is a previous resident of Will's house. The Swamp Thing assists Will to help the man to discover the mystery behind his wartime disappearance and make peace with his past.

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.

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 a killer mist emerges from the swamp and invades Houma, the Swamp Thing and Arcane must team up to try to stop it before it decimates the whole town. Meanwhile, Will and Abigail race to warn the town.

Will falls in love with a woman who claims to have known him in a past life.

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

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

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.