6.1 + 6.2 Valhalley of the Dolls (Feature Length Episode)

Even though Leo is gone, Piper is in a surprisingly good mood, leading Paige to suspect that Leo altered Piper's memory. However, Paige's spell to restore Piper's memory accidentally causes total amnesia. Calling upon Leo for help, Phoebe and Paige discover that he is being held captive on the Island of Valhalla, a mythical place ruled by warrior-maidens. Phoebe also discovers she is an empath.  The sight of Leo causes Piper's pain to come flooding back, prompting her to stay behind on the island while everyone else escapes. The Valkryies follow Paige and Phoebe across dimensions to San Francisco and wreak havoc on the city. Meanwhile, Paige takes a job as a dogwalker and is amazed when one of her dogs is transformed back into a man.

6.3 Forget Me... Not

When Wyatt inadvertently brings a dragon to life, the Cleaners, a neutral group dedicated to protecting magic from being exposed, take the child away and erase all signs and memories of his existence. Aware that they are forgetting something important but not sure of what it is, Piper, Phoebe and Paige cast a spell to return their memory.

6.4 The Power of Three Blondes

When three evil sisters, Mitzy, Mabel and Margo, magically steal the Charmed Ones' identities and powers, Piper, Phoebe and Paige must convince Chris that they are the real Charmed Ones in order to get their lives back.

6.5 Love's a Witch

When Paige's latest temp job puts her in the middle of an ongoing feud between two magical families, the Montanas and the Callaways, she falls for Richard Montana and urges both families to consider a truce.

6.6 My Three Witches

Worried that the Charmed Ones are drifting apart by putting their personal lives before their "Charmed" duties, Chris tries to teach them a lesson by enlisting the help of the demon Gith, who creates an alternate reality for the sisters by tapping into their secret desires.

6.7 Soul Survivor

Paige discovers that her new boss, Larry, made a deal with the demon Zahn, in which he sold his soul for a successful career. Ignoring Piper and Phoebe's plea to not get involved, Paige sells her soul to Zahn in order to free Larry's.

6.8 Sword and the City

The Lady of the Lake appears before the Charmed Ones, pleading for their help in protecting Excalibur, the legendary Sword in the Stone.

6.9 Little Monsters

After vanquishing a Manticore demon, Piper, Phoebe and Paige become foster parents to its orphaned half-Manticore infant. Knowing that danger is near, Chris urges the girls to vanquish the baby, but they believe that if they raise the baby with love, it will not become evil.

6.10 Chris-Crossed

A mysterious woman from the future named Bianca arrives to take Chris' powers and bring him back forcefully to the future.

6.11 Witchstock

After trying on a pair of her Grams' go-go boots, Paige finds herself transported back in time to an era of free love and free magic; and discovers Grams, a peace-loving hippie, who is on a crusade to rid the world of evil through the magical power of love, preparing for a "magical be-in" at the manor.

6.12 Prince Charmed

After vanquishing a demon from Wyatt's room, Piper has an epiphany and decides to swear off men so that she can devote the rest of her life to raising and protecting Wyatt. Unable to handle Piper's revelation, Paige and Phoebe decide to remind Piper of the importance of love by conjuring up a "Mr. Right" as Piper's birthday present.

6.13 Used Karma

Phoebe, Paige and Piper inadvertently expose themselves as witches in front of Jason, causing him to leave Phoebe. Richard casts a spell to free himself of his family's negative karma, but accidentally channels the spirit of Mata Hari, a stripper and double agent during WWI, into Phoebe.

6.14 The Legend of Sleepy Halliwell

Leo's old mentor at Magic School, Gideon, calls upon Piper, Phoebe and Paige to find out who cast the spell of darkness upon the school and conjured up the Headless Horseman (from the story The Legend of Sleepy Hollow), who has been beheading the teachers. Meanwhile, Phoebe is sent on a vision quest by Enola, a young shaman student, and gets a glimpse into the future, where she discovers Chris' true identity.

6.15 I Dream of Phoebe

Phoebe frees a genie, Jinny, from a bottle, only to find that she has been tricked into becoming the genie herself. Anxious to put Leo and Piper back together so he can be conceived, Chris uses Phoebe to make his wish come true, but she takes his instructions too literally. Feeling that he is losing Paige, Richard steals the bottle so he can wish Paige back into his life.

6.16 The Courtship of Wyatt's Father

A Darklighter named Damien accidentally sends both Leo and Piper to the ghostly plane, leaving Phoebe and Paige to believe that they are dead.

6.17 Hyde School Reunion

While preparing for her high school reunion, Phoebe's wild teenage personality takes over her body when she inadvertently casts a spell on herself. At the reunion, teenage Phoebe reconnects with her former gang and finds herself in trouble when their old leader, Rick, uses Phoebe's magic to rob an armored car.

6.18 Spin City

Piper is kidnapped and cocooned by the Spider Demon, a creature that emerges every hundred years to feed off a powerful magical being. During the attack, Chris is infected with the Demon's venom, causing him to mutate into a spider.

6.19 Crimes and Witch-Demeanors

When Phoebe and Paige are caught on tape using their powers, the Cleaners, who prevent the exposure of magic, cover up the situation by implicating Darryl as a murderer and sending him to death row. The sisters call a council of Demons and Elders who oversee all magic to convince them that Darryl should be set free. Instead, the prosecutor, Barbas, turns the proceedings around and puts the sisters on trial for recklessly abusing their powers. Meanwhile, Leo and Chris work together to help free the sisters and Darryl, but the outcome leaves Phoebe stripped of her powers.

6.20 A Wrong Day's Journey into Right

With Piper away at Magic School and Phoebe without her active powers, an overworked Paige re-conjures "Mr. Right" for stress relief, but unknowingly releases his evil twin. Appealing to Paige's dark side, Mr. Wrong/Vincent uses his pheromones to trick her into realizing that the only way to achieve her secret desire is to be free and use her magic without fear of consequence, eventually killing her sisters. To prevent Paige from executing his plan, Phoebe goes undercover as one of Mr. Wrong's Demonatrix assassins.

6.21 Witch Wars

Aware that Piper, Phoebe and Paige are on the verge of discovering that he is after Wyatt, Gideon conspires with two demons to make the girls part of Witch Wars, a new demonic reality television show where demon contestants compete in a series of contests to hunt down the Charmed Ones, with the winning demon acquiring the witches' powers.

6.22 + 6.23 It's a Bad, Bad, Bad, Bad World (Feature Length Episode)

Under the guise of sending Chris back to the future, Gideon creates a portal that puts Chris and Leo in a mirrored world where evil prevails. Phoebe and Paige travel to the parallel universe to rescue Chris and Leo, only to find themselves in a battle with their evil counterparts. Unable to vanquish one another, both sets of sisters realize that Wyatt is unprotected and in danger from Gideon.  Upon returning to their own world, Phoebe and Paige realize that their world is now too good, and every little infraction is a capital offense. The shift between universes causes Piper's memory to be erased, and Gideon tricks Piper into casting a spell on Phoebe and Paige so that they, too, forget Gideon's evil intentions. With the Charmed sisters under the spell, Leo and Chris are left to stop Gideon from completing his plan. Meanwhile, Piper gives birth to baby Chris.