1. The sisters discovered that chimps had their powers. Awakened Animal Pragmatism Astral Monkey Apocalypse Not

2. Leo was shattered when the sisters became warlocks. Be Careful What You Witch For Brain Drain Blinded by the Whitelighter Bride and Gloom

3. Grams, Patty, and Victor all appeared in this episode from season 7. Charmed Noir Carpe Demon Cheaper by the Coven Charmageddon

4. Phoebe's job as a hotel psychic led to a spiritual encounter. Death Takes a Halliwell Dead Man Dating Deja Vu All Over Again Dream Sorcerer

5. Paige’s boyfriend died in this episode - but death was not the end. Enter the Demon Exit Strategy Ex Libris Extreme Makeover: World Edition

6. Cole played tricks with Paige’s mind. (The) Fifth Halliwheel (The) Fourth Sister Feats of Clay From Fear to Eternity

7. Devastated by Prue’s death, Piper scryed for random evil and nearly turned evil herself. House Call (Obsessions) Heartbreak City Hell Hath No Fury (The) Honeymoon’s Over

8. Phoebe fought against the evil that possessed her. It's a Bad, Bad, Bad, Bad World I Dream of Phoebe Is There a Woogy in the House? (The) Importance of Being Phoebe

9. Paige made Piper a hangover cure. Lost and Bound Long Live the Queen Love Hurts Love’s a Witch

10. Darryl first learned that the sisters were witches. Murphy's Luck Magic Hour Ms. Hellfire Morality Bites

11. The sisters turned into gnarly beasts. Once upon a Time Once in a Blue Moon Ordinary Witches Out of Sight (Blind Sided)

12. Patty’s Whitelighter, Sam, made his first appearance. Pardon My Past Prince Charmed Pre-Witched P3 H2O

13. The sisters learned Cole’s true identity. Sleuthing with the Enemy Secrets and Guys Sight Unseen Sympathy for the Demon

14. Prue told Andy that she was a witch. That Old Black Magic The Truth Is Out There...and It Hurts They're Everywhere Trial By Magic

15. Leo was shown using magic for the first time. (The) Witch Is Back (The) Wedding From Hell Wicca Envy Wendigo