Piper & Leo,with help from Coop's ring,must travel back in time to change the events that lead to the deaths of Piper's sisters and the manor's destruction.Billie realizes the truth in what her sister has become.
Forced to hide from Billie and Christy,the sisters find themselves stuck in the Underworld.Leo appears to Piper and offers demonic approval;Billie & Christy resort to summoning the Hollow to stop the Charmed Ones and the Charmed Ones do the same.
In an attempt to destroy the reputation of the Charmed Ones,Billie & Christy resort to trying to make the magical community see that the Halliwells only care about themselves.
Piper and Phoebe devise a plan to recover Leo. Meanwhile, Paige rescues her new charge from a Darklighter; Billie is forced to make an important decision.
Coop comes to the conclusion that he has fallen for Phoebe but she'd rather spend her life with a mortal. Meanwhile, Piper is on the hunt for killer demons; Paige finds it hard balancing life as a Charmed One with that of a married woman.
After Paige and Henry leave for their honeymoon, Cupid “Coop” takes Phoebe on a journey through her past romances in an attempt to revive her excitement for love.Billie and Christy’s parents come to town for a visit..
Piper organizes an engagement party for Paige and Henry,but the couple begin to get cold feet.Phoebe discovers a strange man following her but soon learns he is actually Cupid; a demon kidnaps Christy in order to get to the Charmed Ones.
Paige learns the difficulties of dating a mortal when Henry becomes too involved in the magical world and is torn when another suitor arrives hoping to convince her to marry him so they can become the ultimate magical couple.
During Chinese New Year, a demon attempts to steal a mystical wooden staff, that's protected by the Zodiacs and they enlist the aid of Piper. Meanwhile,Phoebe enjoys her new place by throwing a housewarming party that gets out of control..
With the intention of helping his parolee get a loan, Henry, along with Paige, go to a bank but instead the parolee decides to take everyone at the bank hostage.Phoebe and Piper have their hands full when, during his third birthday party..
When her parents come for a visit,Billie accidently transforms them into assassins Piper attempts to continue her life without Leo;Paige tries to make a connection with Henry;Phoebe tries to find a way to have her own life.
The Angel of Death returns to visit the sisters but they're shocked to learn that he's there for Leo.Piper casts a spell that makes every man a Leo lookalike,forcing Piper to take drastic measures and ask the Elders and the Avatars for help.♥
When a demon escapes from custody, Agent Murphy enlists the Charmed Ones to help, where they learn a government created virus is spreading amongst magical beings, that causes them to "hulk out".
Agent Murphy gives the sisters their first Homeland Security case - searching through cold case files, where Phoebe and Billie discover a belt that gives Billie superpowers.
Billie must deal with her painful childhood memories of her sister's kidnapping, before she can vanquish her latest demon target, The Dogan.The press are bombarding the sisters, since the announcement of their teaming with Homeland Security
