When Phoebe has a vision of herself being burnt to death, the sisters travel ten years into the future to learn what happened. Only to discover that she used her powers to kill someone, causing a local DA to begin modern day witch trials as a platform for political office. Meanwhile, Prue and Piper try to save Phoebe, but they both are surprised and somewhat disappointed to learn how their lives turned out.

The sisters must find and train the 'Chosen One' to vanquish a powerful evil witch that could destroy the Charmed Ones.

An assassination attempt on the sisters' lives forces Prue to go undercover as the woman who tried to kill them, known as Ms. Hellfire. While undercover, she becomes romantically involved with the man who hired the original Ms. Hellfire.

When Piper contracts a life-threatening tropical virus that leaves her in intensive care, and to try to save her life, Prue and Phoebe cast an 'awakening' spell. However, since the spell was used for personal gain, the sisters can no longer sleep, and Piper's sickness spreads into an epidemic as a direct consequence. Also, Prue quits her job at Buckland's and Phoebe enrolls in university.

After Prue's former crush, Bane, is broken out of jail, he seeks her help for defeating a powerful demon by... kidnapping her. Meanwhile, Phoebe tries to help Piper choose between Dan and Leo by casting a spell, but the results are rather unexpected.

A warlock brings characters to life from old B-grade horror movies in an attempt to kill the Charmed Ones.

When a vanquishing spell goes awry while the Halliwells try to destroy the 4 Horsemen of the Apocalypse, Prue and one of the Horsemen become trapped in a vortex. Piper and Phoebe enlist the help of the three remaining Horsemen to free Prue and the fourth Horseman before the vortex closes, and both are killed.

With Piper growing more concerned that Leo will never return, Prue and Phoebe try to save a little girl and a fairy princess from evil Trolls. When Prue and Phoebe need Piper's help, her concern with Leo causes a spell to backfire, placing the girl in danger.

In an attempt to destroy the Charmed Ones, Cole enlists the help of Andras, a demon who magnifies anger into rage. Meanwhile, when the sisters lose their magic after using their powers against each other, they are left defenseless against attacks from the Triad and Belthazor.

Prue & Phoebe have their hands full when Piper is possessed by the spirit of an evil witch, on the day of her high school reunion.

When Prue discovers that her ex-boyfriend is being led down the path to becoming a demon, the sisters must risk their lives in an underworld wrestling ring to save his soul.

When Phoebe feels the pain of an injured American-Indian ghost she sees in a deserted town, Prue travels back in time to the mid-1800s to save the man, and Phoebe, from death at the hands of a local thug.

While the sisters must deal with the possibility of being separated as the newlyweds plan to move out on their own, they recall a time before they knew they were the Charmed Ones, when the girls were coming to grips with the death of Grams and Phoebe's departure to New York.

Mourning the death of Prue, Piper and Phoebe must now come to grips with the loss of their oldest sister, and the loss of the Power of Three. However, The Source discovers an unknown sister - the daughter of Patty and her whitelighter Sam, who had been kept hidden, Paige, the now-youngest Halliwell can restore the Power of Three and reunite the sisters' strength as witches.

Mourning the death of Prue, Piper and Phoebe must now come to grips with the loss of their oldest sister, and the loss of the Power of Three. However, The Source discovers an unknown sister - the daughter of Patty and her whitelighter Sam, who had been kept hidden, Paige, the now-youngest Halliwell can restore the Power of Three and reunite the sisters' strength as witches.

Piper, Phoebe and Paige are shrunk to a height of five inches when they walk into a trap set by a demon named Gamil.

The Source sends Piper into a deep coma, where she perceives an alternate reality. Phoebe and Paige must find a way to return her to reality and save her from giving up her powers while she is delusional.

With Leo as her guide, Paige goes back in time to her teen years, in an attempt to resolve her feelings about the accident that killed her parents. Meanwhile, Piper must prevent ghosts, who have inhabited Phoebe's and Cole's bodies, from fulfilling their mission.

The Source breaks an age-old agreement between good and evil by stealing The Hollow, an ancient vapor which he uses to absorb Piper & Paige's powers. Meanwhile, Phoebe must allow Cole to help them, despite her having a premonition involving Cole sacrifici

Amongst newlyweds, Phoebe & Cole and already-married, Leo & Piper, Paige begins like a fifth-wheel but she continues her suspicions about Cole. Meanwhile, the Source plots to impregnate Phoebe with his evil spawn.

Phoebe tells Piper and Paige that she is pregnant, and that Cole is the father. Meanwhile, Piper and Paige team up with a wizard to stop the coronation of the new Source, unaware that it is Cole and Phoebe is soon to be his Queen of the Underworld.

When the Angel of Destiny offers the sisters a chance to relinquish their powers and lead normal lives as a reward for vanquishing the Source of All Evil, their decision is put on the back burner, while they try and avoid an FBI agent who has them under surveillance and deal with Cole's calls for help, who is trapped in another realm, holding onto his love for Phoebe.

An evil witch traps the Halliwell sisters in distorted versions of classic fairy tales, where Phoebe attends a ball as Cinderella and meets Prince Charming, Paige has a taste of Snow White's poisoned apple, and Piper encounters a big, bad wolf, as Little Red Riding Hood.

While seeking the advice of a fortune teller regarding her missing power of premonition, Phoebe discovers that there is a demon who has been stealing the eyes of Gypsies. Meanwhile, Piper wants to see a doctor about her baby, but Leo is concerned about the threat of exposure.

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.

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.

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.