Episode # 67 & 68: Charmed Again: Parts 1 & 2
Original Air Date: October 4, 2001
The devastation of Prue's death is affecting everyone in the Halliwell family, but most of all, Piper. She has a very hard time trying to deal with this. While The sisters descover that Paige Matthews is their newly-found half-sister, a hidden child of their mother and her whitelighter, Sam, they go to try to help her, because the source is trying to get her to use her powers for evil, and if she does, she will remain evil forever. But in the end, Paige chooses to help Pheobe when the source attacks her with energy things (?) so she chooses to use her powers for good, not evil.
Episode #69: Hell Hath No Fury
Original Air Date: October 11, 2001
Piper has turned into a demon-hunting machine. She has such a hard time dealing with Prue's death that she goes after demons to keep from confronting what she really feels inside. While chasing the furies, Piper gets smoked, which starts to turn her into a fury herself. Leo thinks Piper blames him for Prue's death, Pheobe thinks she abandoned Piper, but in the end, Paige tells Piper that she's really mad at Prue, and that saves Piper from turning into a Fury forever. Paige Steals the book of shadows for personal gain, one of her spells backfires and makes her breasts much, much larger.
Episode #69: Enter the Demon
Original Air Date: October 25, 2001
A Zen Master's Disciple is trying to kill him, his daughter fights off the disciple, and he takes her father to Limbo. Meanwhile, Cole is training Pheobe so she'll be ready to fight the source, Paige is getting bored with all the potion training from Piper, and Piper is training Paige in how to work with herbs and potions. Pheobe & Paige switch bodies, when they recover to their normal selves, Piper asks Paige what she put in the potion to make it backfire, so she can save the Zen Master from Limbo by a very tricky precision of switching places with him. In the end, the Disciple and the Zen Master go through Limbo to the other side, and everyone is back to normal.
Episode #70: Size Matters
Original Air Date: October 30, 2001
Piper and Phoebe don't take Paige seriously when she has a weird feeling about a creepy old house. However, Phoebe decides to check it out anyway and she's shrunk to a five-inch witch. When Paige and Piper also walk into the demon's trap, his collection is complete. Guest stars "Nightmare On Elm Street's Freddy as Gammil". Also, Leo sides with Paige when she expresses her ideas on a plan to get the young guy that lives in the house out so that Piper & Leo can go try to find Pheobe, and Piper doesn't appreciate the fact that Leo isn't siding with her.
Episode #71: A Knight to Remember
Original Air Date: November 1, 2001
Paige's favorite childhood fairy tale suddenly becomes real, bringing her face-to-face with a past life as an Evil Enchantress from Medieval times and into the arms of a Knight in Shining Armor (guest star Charlie Weber). Phoebe and Piper go back in time and end up trapped in the Dark Ages.
Episode #72: Brain Drain
Original Air Date: November 8, 2001
The Source knocks Piper unconscious and places her in an alternative reality where she is a patient in a mental hospital and everyone in her life has a different role. The Source tries to convince Piper of the reality of her new life and tempts her to give up her powers. Phoebe and Paige cast a spell to travel into Piper's delusional world to save her. During this episode, Piper seems to have the urge for Leo and her to become parents, which is why she wants to give up her powers.
Episode #73: Black as Cole
Original Air Date:November ??, 2001
The arrival of a new evil ADA in Sahe arrival of a new evil ADA in San Francisco means more work for the Halliwell sisters who step out of the limelight a little in this episode. Things really hot up when a mysterious women, who wishes to exact revenge on her husbands murderer, whips up a potion that will have dire consequences.Meanwhile, Cole considers proposing to Phoebe and Piper and Leo are tested by Paige as to how much they really want a child.
Episode #74: Muse to My Ears
Phoebe (Alyssa Milano), Paige (Rose McGowan) and Piper (Holly Marie Combs) must stop Warlocks who are enslaving the world's muses to use their divine creative inspiration for evil. In the midst of the assault, Cole (Julian McMahon) becomes testy about Phoebe's rebuffing his marriage proposal and is concerned that without his demonic powers he can no longer protect the love of his life.
Episode #75: A Paige from the Past
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.
Episode #76: Trial By Magic
While serving on a murder trial, Phoebe (Alyssa Milano) has a premonition that reveals the defendant is innocent despite the overwhelming evidence against him. As she desperately stalls in the jury room, Piper (Holly Marie Combs), Paige (Rose McGowan) and Leo (Brian Krause) frantically try to discover the real killer in time to free the wrongly accused man.
Episode #77: Lost and Bound
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.
Episode #78: Charmed and Dangerous
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.
Episode #79: The Three Faces of Phoebe
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.
Episode #80: Marry-Go Round
Phoebe is hoping that everything will be perfect for her and Cole's wedding, but doesn't know that The Source has completely taken over the groom and is sabotaging the ceremony in order to orchestrate a demonic wedding which will allow their foretold son to be heir to the underworld.
Episode #81: The Fifth Halliwheel
Paige feels left out that she is now the only sister who is not married/with someone else. Piper and Leo take a honeymoon now that "The Source" is dead. The sisters face a demon that infects them with powers they annot handle. Paige gets infected and starts to see something odd going on with Cole.
Episode #82: Saving Private Leo
Leo is invited to an upcoming vetrans reunion but doesn't want to go because he hasn't aged. Plus, his past wasn't that pretty. Two ghosts emerge seeking revenge on Leo because he escaped death. The ghosts then decide to go after piper. Cole/The Source thinks phoebe is pregnant which could be the most powerful being in the world.
Episode #83: Bite Me
Hoping to defeat The Source and gain re-entry into the underworld, demonic bats bite Paige. If she in turn bites an innocent, she will become a vampire forever. Cole tries to vanquish the Vampire Queen knowing that her death will kill all her vampires as well. Piper finally begins to suspect that Paige may have been right about Cole working with demons, but before she can say anything she learns that Phoebe is pregnant.
Episode #84: We're off to see the Wizards
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."
Episode #85: Long live the Queen
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.
Episode #86: Womb Raider
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.
Episode #87: Witch Way Now?
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.