|"Is this all real? Or has this been happening inside my head?"
The topic of this article is of a real-life subject that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
On Christmas, 1992, Hermione Granger filled two "plump" chocolate cakes with a Sleeping Draught. Harry Potter and Ron Weasley, then proceeded to leave the cakes where Vincent Crabbe and Gregory Goyle could find them, so they could steal some of their hair to use in a Polyjuice Potion.
- Harry Potter and the Philosopher's Stone (First appearance)
- Harry Potter and the Philosopher's Stone (film)
- Harry Potter and the Chamber of Secrets
- Harry Potter and the Chamber of Secrets (film)
- Harry Potter and the Chamber of Secrets (video game)
- Harry Potter and the Cursed Child (Appears in dream)
- Harry Potter and the Cursed Child (play) (Appears in dream)