When the mythic Gods, the Titans, are released and kill all the elders, Leo is forced to take over. Meanwhile, a mysterious Whitelighter from the future guides the Charmed Ones when Leo gives the girls the ultimate power to vanquish the Titans, recreating them as Greek Goddesses, despite the risk that they will be seduced by their vast new powers.

Phoebe and Paige search for Leo after Paige accidentally causes a ""chipper"" Piper to have amnesia, but the sisters soon learn he is being held on the mythical Island of Valhalla. Unfortunately they have no idea that it's because of Chris and his mysterious plans. Meanwhile, Phoebe discovers she is now an empath, and the dangers of this newfound power.

While working for Grandma Callaway, Paige becomes the witness to a dangerous magical family feud going back for generations. The Halliwell sisters try to help Richard Montana end the feud before it escalates any further.

Paige is forced to make a deal with a demon, in order to recover her boss's soul. Meanwhile, Piper learns that Wyatt has been sabotaging her dates, Phoebe gets a new writing partner, and Chris and Leo accidentally travel back in time.

After Piper vanquishes a demon from Wyatt's room, she has an epiphany about the rest of her life concerning Wyatt. Unable to handle's 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. Meanwhile, Chris convinces the sisters to bind Wyatt's powers, then demonic cult members kidnap the baby.

The Charmed Ones help out Leo's mentor, Gideon, when he wants to find out who cast the spell of darkness over a magic school and conjured the headless horseman who has been beheading the teachers. Meanwhile, Phoebe goes on a vision quest.

When Phoebe frees a genie from a bottle, she soons finds that she must take the genie's place. Meanwhile, anxious to put Leo and Piper back together, Chris uses Phoebe to make his wish come true, but she takes his instructions too literally.

Gideon makes a deal with the Darklighters to get rid of Leo, but they accidentally send Leo and Piper to the Ghostly plane, leaving Phoebe and Paige to believe that they are both dead. Meanwhile, Chris begins to disappear and reveals that he must be conceived before the night is over or he will vanish forever.

Phoebe accidentally casts a spell on herself that allows her wild teenage personality to take over, and teen Phoebe is eager to use her magic to her advantage. Meanwhile, Piper asks her father to find out why Chris is avoiding her.

When Piper is kidnapped and cocooned by the Spider Demon, and becomes Chris infected with the Demon's venom, causing him to mutate into a spider, Paige, Phoebe and Leo try to rescue them. Meanwhile, Leo finally learns why Chris resents him.

Under the pressure that the Halliwell sisters will discover his evil plot, Gideon conspires with two demons to make Piper, Phoebe and Paige 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.

Gideon creates a portal that puts Chris and Leo in a mirrored world where evil prevails, and Phoebe and Paige travel to the parallel universe to rescue them. Meanwhile, Piper gives birth to baby Chris.

Gideon creates a portal that puts Chris and Leo in a mirrored world where evil prevails, and Phoebe and Paige travel to the parallel universe to rescue them. Meanwhile, Piper gives birth to baby Chris.

A grief-stricken Piper and Leo attend a Hindu wedding, where they inadvertently receive the powers of Hindu gods, and it's up to Phoebe and Paige to keep them from consummating their love in order to save the universe.