In the first episode of season six, Paige casts a spell that accidentally gives Piper amnesia. Leo is held captive on Valhalla, a mythical island.
Phoebe, Paige, Leo and Darryl have escaped from Valhalla, but Piper has decided to stay behind and live as a Valkyrie. Leo is deeply suspicious of Chris.
When baby Wyatt brings a dragon to life, entities known as the Cleaners kidnap the youngster and erase all memories of his existence. Leo gives Chris a new assignment.
Three evil sisters magically steal the identities of the Halliwells and take their powers. Leo tries to find out who imprisoned him on the island of Valhalla.
Paige meets an attractive man, Richard Montana, but discovers that he is involved in a dangerous feud between two magical families. Chris travels to the underworld.
Chris employs a demon named Gith to teach the Charmed Ones a lesson when they prioritise their personal lives above their magical responsibilities.
Paige is forced to make a Faustian deal with a demon in order to save the immortal soul of her boss Larry. Piper finds out that her son Wyatt has been sabotaging her dates.
The Charmed Ones are called upon by the Lady of the Lake to help protect King Arthur's legendary sword Excalibur, after which many magical entities arrive at the Manor
After vanquishing a Manticore, the sisters become temporary guardians to its half-monster offspring. And then the baby's beastly father comes to retrieve him...
The sisters learn more about Chris when a Phoenix named Bianca arrives from the future with plans to take him back with her. Can the Charmed Ones prevent his departure?
Paige is transported back to the 1960s, an era of free love and freely practised magic. In the present, Leo and Chris battle a slime that consumes all magic around it.
Piper decides to swear off relationships and devote herself to protecting her son, so Paige and Phoebe conjure a magical Mr Right to remind Piper what love is like
Jason breaks up with Phoebe when he learns she's a witch. Richard casts a spell to rid himself of bad karma but accidentally infects Phoebe with the bad karma of Mata Hari.
The Charmed Ones are enlisted by Leo's old mentor to try to discover who conjured up a Headless Horseman who has been beheading teachers at Magic School.
When Phoebe is turned into a genie Chris tries to use her to get Piper and Leo back together, while Richard wishes for Paige to return to him
Gideon makes a deal to get rid of Leo, but the plan backfires. Chris begins to disappear and is in danger of vanishing for ever.
While getting ready for her high school reunion, Phoebe accidentally casts a spell on herself that allows her wild teenage personality to take over
Piper is kidnapped and cocooned by a spider demon who feeds off powerful magical beings, and Chris is infected by the demon's venom, causing him to mutate
When Phoebe and Paige are caught on tape using their magical powers, the Cleaners try to cover up the situation by implicating Darryl as a murderer
Piper is away at magic school and Phoebe has been stripped of her magic powers, so an overworked Paige decides it's time to conjure up Mr Right
Concerned that the Halliwells will discover his evil plot, Gideon conspires to make Piper, Phoebe and Paige participate in Witch Wars, a new supernatural reality TV show
Gideon creates a portal trapping Chris and Leo in a mirror world where wickedness prevails, so Phoebe and Paige travel to this parallel universe
In the last episode of season six, Phoebe, Paige, Chris and Leo return to their own world, but find that the balance of power has been upset