|"There are plenty of eye-witness accounts. Just because you're so narrow-minded you need to have everything shoved under your nose before you–"
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In 1992, Hermione Granger sneaked three Slytherin robes from the laundry, for Harry Potter and Ronald Weasley to wear while disguised as Gregory Goyle and Vincent Crabbe in order to sneak undetected into the Slytherin Dungeon.
- Harry Potter and the Chamber of Secrets (Mentioned only)
- Harry Potter and the Chamber of Secrets (film) (Mentioned in deleted scene)
Ædificium Oriens · Apothecary department · Book of Monster's Repair Workshop · Care of Magical Creatures classroom · Cauldron cupboard · First Year written exams classroom · Gargoyle Corridor · Ghoul Studies classroom · The Grindylow Lagoon · Horace Slughorn's first office · Laundry · Lower Art Room · Rolanda Hooch's office · Stink Bomb Store · Study Hall