A mermaid-turned-human called Mylie (guest star Jaime Pressly) needs the sisters' help to escape from a pact that she has made with an evil water demon called the Sea Hag
Phoebe, who's been transformed into a mermaid, decides to swim away from her problems. Piper, Paige and Leo must convince her to return to her life as a Charmed One.
An evil witch traps the sisters in distorted fairy tales. Phoebe becomes Cinderella, Paige tastes Snow White's poisoned apple, and Piper plays Little Red Riding Hood.
Cole and Phoebe both fall under the spell of the Siren, who snares married men with the intention of killing their wives when they follow their husbands into her trap
Kevin, a youngster with the magical ability to turn sketches into reality, is coerced by a demon to transform him into an evil and powerful comic-book villain
Phoebe seeks the advice of a fortune teller about her missing powers of premonition and encounters an eye-stealing demon who is motivated by revenge for a family curse
An old enemy from the past, Barbas, the Demon of Fear, returns to plot revenge on the Halliwell sisters and tricks Paige into giving him Cole's powers.
Phoebe has a premonition about the death of her new boyfriend and ends up repeatedly saving his life, enabling a dangerous warlock to arrive from the future
As she finds out more about what it means to be a whitelighter, Paige meets her first charge, a man named Sam who, unknown to her, is actually her biological father
Phoebe falls into the clutches of Jeric, a demon who is searching for the perfect body that he will mummify to hold the spirit of Isis, his dead lover.
After kidnapping Phoebe, Cole sends a shapeshifter to assume her identity and help him manipulate Piper and Paige into giving him ownership of the manor.
Desperate to regain Phoebe's affections, Cole casts a twisted spell that alters reality by removing Paige from the Halliwell family, thus destroying the Power of Three.
The Halliwells summon a witch doctor to help them dispatch all the remnants of evil inhabiting the manor, but things go wrong when he places a curse on the sisters
A demon attacks the Charmed Ones with dream dust stolen from the Sandman, causing their worst nightmares - including an evil clown - to come to life
Phoebe and Paige attend a summit meeting with the leaders of evil when all magic - both benign and destructive - temporarily disappears from the world.
The sisters must protect Piper's newborn son from two demons sent by a crone. Phoebe's future with the newspaper is threatened by the publication's new owner.
When the sisters tackle a demon who has been killing leprechauns and stealing their magic, they are rewarded with extreme good luck that grants them wealth, love and success
Piper and Leo experience marital problems, so Piper casts a spell allowing them to view their past together. However, the spell misfires by sending Phoebe and Paige back in time.
A demon seeking to gain immortality by drinking from a magic spring kills one of three nymphs who protect a lake. Can the Charmed Ones help the two survivors?
Using a statue with ancient powers, a crone steals one of the senses from each of the Halliwell sisters in order to take Leo prisoner and get close to baby Wyatt.
When the Halliwells' grandmother pays a visit for Wyatt's blessing ceremony, she brings with her the possibility of an attack by her ex-lover, an evil necromancer
When mythical deities known as the Titans are released from confinement to kill the Elders, a mysterious whitelighter from the future arrives to guide the sisters
In the last episode of season five, having taken the form of all-powerful goddesses, the sisters must vanquish the Titans. Leo decides whether to become an Elder