A young social worker by the name of Paige is mysteriously drawn to Prue's funeral, where she shakes hands with Phoebe. Phoebe has a vision of Shax attacking the girl on a rooftop and becomes obsessed with protecting her, while Piper is angry about Prue's death and tries to fight her destiny as a witch. Meanwhile, the Source learns from his oracle that there is another Charmed One, and goes to the surface to turn her to evil just as she's discovering her powers. Piper and Phoebe learn that Paige is their half-sister that their motherly secretly had with Sam, her white-lighter, and gave up for adoption to keep her safe. The Source disguises himself as Shane, Paige's boyfriend, and tries to tempt her into using her powers for evil. Paige realizes she has the power to move objects, similar to Prue's, but she orbs them to move them because she is half white-lighter. Meanwhile, a dogged inspector named Cortez takes over the Halliwell case from Darryl, and discovers the sisters' secret. He believes the witches are evil and tries to get proof of their powers to expose them. Piper and Phoebe have to convince both Cortez and Paige that they're the good guys, and Paige realizes that she cares for her sisters just in time to help them fight the Source. Meanwhile, Leo heals an injured Cortez, proving to the inspector that the witches aren't evil. The Source takes his revenge by stabbing Cole, and Leo can't heal him because he's half demon. With Paige's help, since she's half white-lighter, Leo is able to heal Cole. Paige hesistantly joins her new family and Piper and Phoebe use a spell to introduce their baby sister to her dead biological mother.
Hell Hath No Fury(4.03)
Aired Thursday, October 11, 2001
Paige steals the Book of Shadows and uses it for personal gain. Meanwhile, a grieving Piper is on a mad demon hunt and encounters the Furies. One of the Furies taps Piper's own anger and Piper starts to turn into a Fury herself. Phoebe not only has to help Paige recover from her spell backfiring, she has to figure out how to get Phoebe to come home and get over her anger. Cole uses himself as bait to draw Fury Piper home, since Furies are drawn to evil-doers, and Phoebe tries to get Piper to admit that she's angry at her baby sister for abandoning her and letting Prue die. However, Phoebe's got it wrong, and it's Paige that ends up saving Piper's life by getting her to admit that she's angry at Prue. Piper reaches out a bit to Paige, finally.
Enter The Demon(4.04)
Aired Thursday, October 18, 2001
As Paige is practicing mixing potions, she wishes that she were Phoebe and suddenly their souls switch bodies. While they're trying to figure out how to switch back, Phoebe has to go on a date in Paige's body while Cole quickly figures out that Phoebe isn't herself. Meanwhile, Piper encounters the daughter of a Zen master, Anling, who has to protect her father from one of his evil ex-students, Yenlo. Yenlo has kidnapped his old master to the land of Limbo, and neither Anling nor the witches can figure out how to get there to get at him. Phoebe and Paige finally admit what Paige did, and Piper recreates the potion to switch them back to their own bodies. Piper then uses the same potion to switch bodies with the Zen master, and using Piper's body, the Zen master leads his daughter and the witches to Limbo where they finally defeat Yenlo.
Size Matters(4.05)
Aired Thursday, October 26, 2001
Piper hires a new promoter/manager for the club who changes P3 into The Spot, a hip, trendy, noisy, annoying, soon-to-be-five-minutes-ago joint. Phoebe tries to get a job and finds out that it's hard to get taken seriously when she graduated from college at age 27 and needs flexible hours. Paige gets a weird feeling walking by a broken-down house and tells her sisters about it, but they ignore her. She goes to Leo who convinces Phoebe to encourage Paige's instincts, so Phoebe goes to check out the house only to be shrunk down to a few inches tall. It turns out that the house is inhabited by a demon who shrinks women and turns them into clay figurines. While trying to save Phoebe, Piper and Paige are also shrunk and covered with quickly hardening clay. Paige manages to orb by will and cracks her clay, then using the power of three they vanquish the demon which brings them all back to normal size. All three sisters agree The Spot sucks and decide to change it back to P3.
A Knight To Remember(4.06)
Aired Thursday, November 1, 2001
Piper and Phoebe are being plagued by a shocker demon who uses electricity to attack them. They realize that it would make vanquishing easier if Paige moved in with them, but when they invite her, Paige is less than receptive to giving her life over to witchcraft. Paige is also scared that she isn't powerful enough to fill Prue's shoes. Paige remember a fairy tale from her childhood about an evil enchantress who bewitches a noble prince into falling in love with her and takes over his kingdom by having his child. She is pleasantly surprised to find a reference to her fairy tale in the Book of Shadows, but when she reads a spell aloud the noble prince suddenly appears in the attic, totally in love with Paige. Paige doesn't want to deal with the prince, so she leaves him with her sisters and goes to work. The prince follows Paige while Piper and Phoebe have to deal with the evil enchantress who comes looking for her prince. It turns out that the evil enchantress is Paige in a former life. When Paige finds this out, she decides to go after the evil enchantress herself. She fails miserably, and the enchantress grabs her prince and heads back to the past. Piper and Phoebe follow the enchantress, but only end up chained to her dungeon wall. Paige despairs that she's not powerful enough to take on the enchantress, but Leo encourages her and she figures out how to get the two of them to the past. Paige battles the enchantress while Leo frees her sisters. The Charmed Ones bind the evil enchantress's powers, and when they get back to their own time period, Paige finally agrees to move in and helps her sisters vanquish the shocker demon.
Brain Drain(4.07)
Aired Thursday, November 8, 2001
The Source plants a chameleon demon in the Halliwell mansion to spy on the sisters and learns about Piper's reluctance to be a witch. The Source kidnaps Piper and invades her mind, convincing her that she is a patient in a mental hospital and her powers were all a delusion. The Source has almost convinced Piper to relinquish her powers when her sisters figure out how to get in her mind with her and defend her. Cole and Leo team up to attack the Source, and Cole does some serious damage to the Source and kills the Source's Oracle. Phoebe and Paige, with Leo's help, convince Piper that she's sane and prevent her from relinquishing her powers. Piper starts thinking about having kids someday.
Black As Cole(4.08)
Aired Thursday, November 15, 2001
A demon very similar to Cole has been terrorizing the town lately, and when the Charmed Ones go after him, they are ambushed by a woman, Emma, who is trying to get revenge for her dead witch boyfriend's death. While battling the demon, Cole changes into Belthazor and Emma realizes that it's Cole she's after instead. Phoebe tries to convince Emma that while Cole can't change the past, he's doing good now. Meanwhile, Cole realizes that the demon, who is going by the name Sykes, is actually hunting him. Sykes kidsnaps Phoebe, and Cole morphs into Belthazor to battle him. Belthazor triumphs over Sykes, but as Cole predicted, he then has trouble turning human again. Just as the Charmed Ones are starting to fear that they've lost Cole, Emma finds and throws an old potion of Phoebe's that strips Cole of his powers. Cole proposes to Phoebe, and while she's not ready to get married, she assures him she's very much in love with him and still wants to be with him even without his powers. Paige gets Piper and Leo a mechanical baby from a local clinic so they can practice being parents, and Piper proves to Leo that they are in no position to care for a baby right now.
Muse To My Ears(4.09)
Aired Thursday, December 13, 2001
Now that the Source has been seriously injured, a faction of warlocks starts capturing muses in order to use their inspiration to take over the underworld. Meanwhile, Cole is growing more and more insecure about Phoebe's rejection of his marriage proposal and his own new human frailties. The Charmed Ones find the inspiration in themselves to save their own muse and take out the plotting warlocks.
A Paige From The Past(4.10)
Aired Thursday, January 17, 2002
Paige goes back in time to her high school days in an attempt to stop feeling responsible for the accident that killed her parents. Piper must prevent ghosts from the past, who have inhabited Phoebe's and Cole's bodies, from getting married or their souls will remain in Phoebe and Cole forever. Phoebe responds to Cole's marriage proposal.
Trial By Magic(4.11)
Aired Thursday, January 24, 2002
Phoebe is on the jury for a murder trial, and it seems to be a clear cut case until Phoebe handles the murder weapon and gets a vision. Using Phoebe's vision, Piper and Leo figure out who the real murderer is while Phoebe stalls the impatient jury by summoning the spirit of the murder victim. Phoebe convinces the jury to acquit the murder suspect, but by then the Charmed Ones have embroiled themselves in what turns out to be a case of money laundering by rat demons, and Paige's visiting friend Glen has figured out that the girls are witches despite Piper's warnings to Paige that they need to be careful about their secret identities. One of the rat demons kidnaps Glen to trade him for the taped confession that Piper got from the real murderer, and the sisters come up with a sneaky plan to make sure that the demon won't just kill Glen anyway once he has the tape. Leo uses a little memory erasing to prevent the jury from remembering Phoebe's magic, and Paige swears that Glen won't reveal their secret... although he does decide to stay with a different friend in San Francisco.
Lost And Bound(4.12)
Aired Thursday, January 31, 2002
Wanting to protect a ten year old orphaned boy who a firestarter, Piper and Leo go down to the underworld to kill a demon before he can deliver the kid to The Source. Phoebe is given Gram's wedding ring by Cole, but to their surprise the ring has been cursed to transform the wearer into a traditional 1950's suburban housewife.
Charmed And Dangerous(4.13)
Aired Thursday, February 7, 2002
The Source breaks an age-old agreement between good and evil by stealing The Hollow, an ancient vapor which he uses to absorb first Piper's and then Paige's powers. Phoebe must allow Cole to help The Charmed Ones in spite of having had a premonition that involved Cole sacrificing his life to save her from evil. The sisters seemingly vanquish The Source, not realizing he has begun to take over Cole's body.
The Three Faces Of Phoebe(4.14)
Aired Thursday, February 21, 2002
Phoebe develops a case of cold feet over marrying Cole and casts a spell which brings a young innocent Phoebe and an old cynical Phoebe to the Manor to help her make a decision. Cole now finds The Source is taking over his entire being. The Source's chief rival, who believes The Source is dead, is convinced by The Seer to kill The Charmed Ones in order to earn the allegiance of the entire underworld.
Marry-Go-Round(4.15)
Aired Thursday, February 28, 2002
The Seer has a vision that if Cole and Phoebe have a child together, that child will grow up to be one of the most powerful magical beings ever. Cole, who has now been completely taken over by the Source, and the Seer work together to make sure that Cole and Phoebe's wedding is a dark one, to ensure that their powerful child will work for evil and not good. Cole uses magic to cause a series of disasters that foster sibling rivalry between Phoebe and Paige, but no matter what he does the sisters somehow fix it. Finally, Cole has the church wedding attacked by a demon, and the wedding has to be cancelled at the last minute. While burying the demon in the cemetary to prevent its resurrection, the Charmed Ones spot an adorable chapel in a mausoleum, and Cole is pleased when Phoebe agrees to get married there. Phoebe unknowingly marries Cole in a dark ceremony presided over by an evil priest.
The Fifth Halliwheel(4.16)
Aired Thursday,March 7, 2002
Cole, with help from the Seer, begins his plan to get Phoebe pregnant with his demon child. Meanwhile, Paige becomes more and more suspicious that Cole is demonic. The Charmed Ones encounter an innocent, Karen, who has been attacked by a power broker (demon brokers who actually trade powers and occasionally store them in humans) and is slowly going insane. While Paige and Piper work on a potion to cure Karen, Phoebe goes to her job at the newspaper and writes her advice column for her so that she doesn't get fired. Cole decides that another power broker should attack Paige so that she'll go insane and her sisters won't believe her when she says that Cole is evil. Paige goes crazy and starts to attack Cole, so Piper knocks her out. Cole has gotten rid of all the potion that cured Karen, but he admits that they could find another power broker to save Paige. Paige is saved, and the Seer later tells Cole that she thinks it was Cole's love for Phoebe that made him admit there was another way to save her baby sister. Karen quits her job as newspaper advice columnist and recommends Phoebe as her replacement.
Saving Private Leo(4.17)
Aired Thursday, March 28, 2002
Two ghosts from Leo's past come back to take their revenge. Although Rick and Nathan Lang were originally Leo's best friends, they believe in death that their friend abandoned them when they needed him most. Without consulting Leo, Piper sent in a RSVP for her husband to attend the Guadacanal reunion as Leo Wyatt III, the original Leo's "grandson." The Langs see the registration and hunt down Leo. It doesn't take them long to realize that Leo is the same Leo they knew, and he's now a white lighter. When they realize they can't kill Leo, they go after the people that he cares about. First they kill a schoolteacher that Leo has been grooming to become another white lighter, and in Leo's grief and guilt and he loses his white lighter powers. Then the brothers attack Piper. Piper comes so close to death that she becomes a ghost, and is at least able to vanquish the Lang brothers by saying a spell that only a ghost can use to vanquish another ghost. Leo's love for and concern over Piper brings his powers back just in time to save his wife's life. Meanwhile, Cole manipulates Phoebe into moving out of the manor and hires a beautiful demon secretary to watch his back.
Bite Me(4.18)
Aired Thursday, April 18, 2002
With hopes of unseating Cole as the ruler of the Underworld, a Vampire Queen orders her fanged charges to attack Paige and turn her into a blood-sucker to get a Charmed One on their side. Paige's undead transformation isn't sealed until she takes her first victim, and the Vampire Queen urges her to feed on her two sisters, Phoebe and Piper. Phoebe and Piper go up against the Vampire Queen, hoping that if they can kill her they will set Paige free. Unknown to the sisters, Cole, to protect himself, kills the Vampire Queen and ends up saving Paige. Paige continues to be suspicious of Cole and begins to win Piper over to her point of view. Piper is sad when she thinks she might be pregnant but it turns out to be a false alarm. Cole continues to isolate Phoebe from her sisters. Phoebe is horrified when she finds out she's pregnant.
We're Off to See the Wizard(4.19)
Aired Thursday, April 25, 2002
The three sisters discover that Cole is really the Source, and Phoebe joins him in the underworld to rule by his side, as his Queen. Also, Phoebe receives her new power, which was seen in "Pardon My Past."
Long Live the Queen(4.20)
Aired Thursday, May 2, 2002
With the evil baby growing inside her, Phoebe is still torn between helping her sisters save innocents and taking on the duties of Cole's Queen. Cole pushes Phoebe to drink a tonic to strengthen the baby, knowing full well that this will also suppress her goodness. Piper, believing she has lost another sister to evil, becomes despondent and turns to drink to numb her pain. Paige comes up with a plan to get Phoebe to see the light and help her sisters vanquish Cole.
Womb Raider(4.21)
Aired Thursday, May 9, 2002
The Seer enlists the help of a 7 foot, 2 inch demon nobody has figured out how to vanquish to help her magically take the baby from Phoebe and become The Source in the process. The baby inside Phoebe starts to take over her body turning her into an evil creature of instinct, nearly killing three people, including Paige. Piper and Paige must figure out ways to thwart The Seer's plans after The Seer casts a spell to place the unborn baby in her womb.
Witch Way Now? (Season Finale)(4.22)
Aired Thursday, May 16, 2002
The discovery that the sisters have fulfilled their destiny as 'the Charmed Ones', the Halliwells are given the opportunity to give up their powers and become mortal in order to live a normal life. Phoebe and Piper are keen to take up the offer, but Paige isn't so sure it is a good idea.
