Harry Potter (SpongeBob) gets accepted to Hogwarts and becomes friends with Ron Weasley (Patrick) and Hermione Granger (Sandy). Whislt at Hogwarts, they learn about the Philosopher's Sponge, made by the alchemist named Nicholas Flamel. They must stop Professor Quirrel, the Defence against the Dark Arts professor(Plankton) from stealing it for unknown reasons.
- This is a parody of Harry Potter, mostly the first book and film.
- This episode gained 1 million viewers.
- Harry Potter - SpongeBob
- Ron Weasley - Patrick
- Hermione Granger - Sandy
- Professor Snape - Squidward
- Professor Quirrel/Voldermort - Plankton
- Professor Dumbledore - Mr. Krabs
- This episode is somewhat similar to Family Guy's Star Wars parodies