The Charmed Ones are drawn to an innocent mermaid who must elicit a proclamation of love from her mortal boyfriend or lose her immortality to a water demon known as the Sea Hag. Determined to save the mermaid, the Charmed Ones cast a spell, unfortunately morphing Phoebe into a mermaid. Confused and surprised by Cole's unexpected return from the underworld, Phoebe finds a new sense of independence in the sea and refuses to return to land.

The Charmed Ones are drawn to an innocent mermaid who must elicit a proclamation of love from her mortal boyfriend or lose her immortality to a water demon known as the Sea Hag. Determined to save the mermaid, the Charmed Ones cast a spell, unfortunately morphing Phoebe into a mermaid. Confused and surprised by Cole's unexpected return from the underworld, Phoebe finds a new sense of independence in the sea and refuses to return to land.

An evil witch from a fairy tale tries to increase her power by trapping the Charmed Ones in warped versions of classic fairy tales. Phoebe attends a formal ball as Cinderella and meets an evil Prince Charming, Paige takes a bite from a poisoned apple, and Piper has a nasty confrontation with a big bad wolf.

The Siren, who preys on married men and their wives, puts Cole under a spell and Piper and Paige must try to figure out how to save Phoebe from certain death. Meanwhile, Piper and Leo's souls are switched magically by their unborn baby.

A young boy whose drawings magically come to life is forced to create a drawing that transforms a demon into a super villain. To help the Charmed Ones stop the demon, the boy creates a new drawing that turns Piper, Phoebe and Paige into comic book super heroines.

With her power of premonition gone, Phoebe seeks advice from a fortune teller and discovers that a demon, Cree, is stealing the eyes of Gypsies in an attempt to reverse a curse placed on his father. Meanwhile, when Phoebe touches a Gypsy pendant, her powers return stronger than ever and she vividly witnesses the deaths of The Charmed Ones.

When the Demon of Fear, Barbas returns to seek revenge on The Charmed Ones for vanquishing him years ago, he manages to trick Paige into performing a spell that gives him powers to trap the Charmed Ones in the manor and use their own fears against them.

Phoebe inadvertently opens a tunnel in time by repeatedly saving the life of her new boyfriend, Miles, who has been preordained to die. The time tunnel provides a pathway for a warlock from the future, Bacarra, who steals the Book of Shadows and uses its power to kill two of the Charmed Ones, leaving the last remaining sister to reverse the chain of death.

Paige gets to know the Whitelighter in her, when she meets her first charge, a man named Sam, unbeknownst to her is actually her real father. Meanwhile Cole tries every possible way to get himself vanquished by the Charmed Ones. Piper and Leo have problems in finding a magical creature that does the babysitting part, and things go bad to worse when they're poisoned by a Darklighter, leaving Sam as the only one who can save them.

Phoebe falls prey to Jeric, a demon in search of the perfect body to hold the spirit of Isis, his dead lover. To trap the spirit, Jeric mummifies Phoebe's body. Meanwhile, Cole tries to save Phoebe by making a deal with the demon.

After kidnapping Phoebe, Cole sends a shapeshifter to assume Phoebe's identity to help him manipulate Piper and Paige into giving him ownership of the Manor, allowing him access to the powerful Nexus located beneath the house. Meanwhile, Phoebe plans her escape, and Cole gets Paige arrested and ensures that Piper's club fails to pass health inspections in order to keep them distracted.

In his twisted attempt to win Phoebe's heart back, Cole casts a spell that alters reality, that eliminates Paige as a Halliwell and destroys the Power of Three. Meanwhile, Paige suddenly finds that her sisters have no knowledge of her existence and that past villians have come back to haunt them.

The Council of Witch Doctors makes a house call to The Charmed Ones and use voodoo dolls to lead them down various paths of self-destruction: Paige abducts her former boyfriend's fiancee and takes her place a the wedding, Phoebe poses for a magazine centerfold to increase readership of her column, while Piper almost destroys the manor when she becomes an obsessive cleaner.

A demon attacks The Charmed Ones with dream dust, causing their nightmares to come to life. Paige is harassed by an evil clown at a baby shower, Piper has an affair and Phoebe is chased by a maniac with a chainsaw. The sisters must use magic to put themselves to sleep to re-enter their nightmares and unmask the symbolic meaning of their dreams.

Phoebe and Paige go to a summit meeting with the leaders of evil and discover that all magic - both good and bad - has disappeared enabling the leaders to steal Piper's about-to-be-born baby and welcome the twice-blessed child into the kingdom of evil. Meanwhile, Piper goes into labor, while Phoebe and Paige must find a way to save the baby without magic.

The Charmed Ones must protect Piper's son from two demons, but the baby has a few surprises of his own. Meanwhile, Paige goes undercover as a bounty hunter and Phoebe's future with the newspaper is threatened by the new owner.

The Charmed Ones join forces with a Leprechaun when they go after a demon who is killing Leprechauns and stealing their magic. To reward them for their efforts, the Leprechaun grants each sister good luck, enabling Paige to gain wealth, Phoebe to meet a new man and Piper to book a major rock star for P3. When the spell wears off, the demon casts a bad luck spell on the sisters and kidnaps Piper. In the meantime, Phoebe and Paige must rally the Leprechauns to reverse their bad luck and rescue Piper.

When Piper and Leo see a marriage counselor to work out their marital problems, Piper casts a spell that lets them literally see the key moments of their past. However, the spell goes awry and Phoebe and Paige are sent back in time to relive Piper's memories. Unbeknownst to Phoebe and Paige, a warlock is also caught up in Piper's spell, and uses the opportunity to try and kill The Charmed Ones' cat, their familiar, which would permanently alter their future.

When a demon kills the satyr of the Spring of Life, the satyr's underlings, a trio of wood nymphs, escape to San Francisco to find a new leader.After the nymphs magically transform Paige into one of them, they are all captured by the demon, Tull who forces them to lead him to the Spring.Piper and Phoebe must rescue Paige before the demon destroys the forest with his newfound powers.

The Charmed Ones are weakened when an old Crone magically steals their senses making Piper blind, Phoebe deaf, and Paige mute in an effort to steal Piper's baby who holds the vision of all power. When the Crone kidnaps Leo in another attempt to steal the baby, Piper, Phoebe and Paige tap into their sixth sense to overcome their handicaps and defeat her. Meanwhile, Piper and Leo are pleasantly surprised to discover that baby Wyatt is coming into his own powers.

When Grams and the Halliwell matriarchs are summoned to bless baby Wyatt, they fall prey to the Necromancer demon who has returned from the Spirit Realm seeking to absorb their magical spirits. Meanwhile, Piper is hurt by Grams' disappointment over the newest addition to the Halliwell family; Phoebe contemplates Jason's invitation, even though it will take her away from her family; and Paige casts a truth spell on her boyfriend to see if he can handle her big, bad secret.

Released after centuries spent entombed beneath the Artic ice, the Titans, Greek mythic gods, set out to eliminate their captors, the Elders. Phoebe and Paige are nearly defeated by the Titans, but are saved by Chris, a mysterious Whitelighter from the future. Meanwhile, Leo makes a decision to give the Charmed Ones the ultimate power to vanquish the Titans, recreating them as Greek Goddesses, despite the risk that they will be seduced by their vast new powers. Phoebe becomes the Goddess of Love, Piper the Goddess of Earth and Paige the Goddess of War. However, Piper's life is turned upside-down when Leo accepts his call to become the new leader of the Elders. Piper's loss and anger consumes her, allowing the Charmed Ones to destroy the Titans.

Released after centuries spent entombed beneath the Artic ice, the Titans, Greek mythic gods, set out to eliminate their captors, the Elders. Phoebe and Paige are nearly defeated by the Titans, but are saved by Chris, a mysterious Whitelighter from the future. Meanwhile, Leo makes a decision to give the Charmed Ones the ultimate power to vanquish the Titans, recreating them as Greek Goddesses, despite the risk that they will be seduced by their vast new powers. Phoebe becomes the Goddess of Love, Piper the Goddess of Earth and Paige the Goddess of War. However, Piper's life is turned upside-down when Leo accepts his call to become the new leader of the Elders. Piper's loss and anger consumes her, allowing the Charmed Ones to destroy the Titans.