The "Harry Potter" film series is filled with hidden details and fun facts, so we're breaking down each film individually.
"The Sorcerer's Stone" saw the director Chris Columbus and his team cram detail after detail into his adaptation of JK Rowling's first Potter book.
Whether a subtle Anne Boleyn portrait or a disappearing Leaky Cauldron sign — as well as the fact that Harry doesn't actually cast a single spell in the whole movie — there's a lot to digest.
Even the most die-hard Potterheads are bound to have missed something from this list.
In "The Sorcerer's Stone," you can see Aunt Petunia dyeing Dudley's old clothes gray for Harry's school uniform, which was a scene in the book.
In the book, Aunt Petunia dyes her son Dudley's old clothes gray so that Harry can wear them as his school uniform. As you can imagine, the clothes are huge on him, and this is one of the first examples of the Dursleys' poor treatment of Harry.
While this detail never made it into the film in an explicit manner, you can see Aunt Petunia dyeing the clothes in the background of this breakfast scene.
A group of students in Slytherin colors exit the reptile house when Harry and the Dursleys visit London Zoo.
The Dursleys reluctantly drag Harry along with them to Dudley's birthday trip to London Zoo, which is where Harry first speaks parseltongue with a snake and Dudley gets trapped inside the glass.
But before this, in the scene's establishing shot, we see a group of school kids dressed in green coming out of the reptile house. Given that green is the color of house Slytherin and Slytherin is synonymous with snakes, this surely can't be a coincidence.
The letters-through-the-fireplace scene is actually a reference to Alfred Hitchcock's "The Birds."
Alfred Hitchcock and his movies have inspired many filmmakers, and his techniques and shots have been replicated and referenced countless times, but it's still surprising to see Hitchcock show up in a "Harry Potter" movie.
The scene in which the Hogwarts letters burst throught the fireplace and fill the room parallels the scene in Hitchcock's "The Birds" in which the birds invade the house via the chimney. Watch the two scenes below to see how similar they are.
The Leaky Cauldron sign is visible only to magic folk.
There are so many small details showing magic littered throughout the eight movies, and this is one of the best. The sign to the Leaky Cauldron is black and blank at first, but as Hagrid and Harry approach it, it slowly fills itself in and displays a black and gold emblem with a cauldron on it reading "The Leaky Cauldron."
As we know, muggles can't see magic, so this suggests that the sign lights up only because Hagrid and Harry, magical folk, are approaching it. So if you see any blank signs outside buildings in London, you can probably assume it's a wizards pub.
Watch the sign change in the scene below:
Harry doesn't actually cast a spell in the movie.
Harry has a lot of pressure placed on him as soon as he finds out he's a wizard — he's told he is the one who stopped Voldemort, and he is a huge celebrity in the wizarding world because of it.
It's odd, then, that we don't actually see our main protagonist cast a single spell in the movie, which follows witches and wizards learning to cast spells at a magical school. We see Hermione and Ron cast spells, and even Seamus Finnigan, but not Harry. Instead, the closest we get is when Harry waves wand candidates around the Ollivanders wand shop. They don't count as spells, though.
Snape's first words to Harry are actually a coded message.
Snape is the ultimate bad-guy-who-is-secretly-good, and even one of his first lines to Harry — who he apparently despises — is a secret code of kindness disguised as a snidey dressing down.
Snape asks Harry: "What would I get if I added powdered root of asphodel to an infusion of wormwood?"
Asphodel is actually a lily (the name of Harry's mother, who Snape loved until his dying day), which means death. Wormwood, meanwhile, symbolizes absence and bitter regret. So what Snape is actually saying is something along the lines of: "I bitterly regret Lily's death."
In the scene in which Neville gets a Remembrall, he can't remember what he's forgotten — but it's probably his robe, as he's the only one not wearing one.
Neville receives a Remembrall — a magical object with white smoke inside that turns red whenever the holder has forgotten something — from his grandmother over breakfast in one scene.
Neville notes that he can't remember what he's forgotten, but he is clearly the only one in this scene who isn't wearing his black robe. Instead, he's sat at the table with just his jumper on, so we're pretty sure he forgot his coat.
You can see McGonagall's name on the Quidditch trophy right next to James Potter.
Seeing Hermione soothe Harry's Quidditch anxieties by showing him the name of James Potter, his dad, on an old Quidditch trophy is an emotional plot point in this movie.
However, you may not have noticed that Professor McGonagall's name also appears on the trophy. The date shows that McGonagall earned her award in 1971 when she was a Hogwarts student, which doesn't actually make sense considering she appears as a Hogwarts professor in "Fantastic Beasts: The Crimes of Grindelwald," which was set in 1927.
In the same cabinet, you can see Tom Riddle's award for special services to Hogwarts right behind the Quidditch trophy.
In the exact same shot, you can also see another award behind James Potter and Minerva McGonagall's Quidditch trophy. This one is an award for special services to Hogwarts school, and it belongs to Tom Riddle.
Riddle falsely earned this award for framing Hagrid and his pet spider Aragog for the murder of Moaning Mrytle back when they were students. This is revealed in "The Chamber of Secrets," but we later learn that Hagrid and Aragog are innocent and it was Riddle and his basilisk who were responsible all along.
Harry's scar burns because Quirrell has his back to him, meaning Voldemort, on the back of Quirrell's head, is facing him.
Harry catches Professor Snape glancing at him, and at the same time his scar burns. Initially, we think his scar is burning as a warning sign to watch out for Snape, but we later learn that Snape is the one trying to help him, while Quirrell is the real villain.
In hindsight, we can work out that in this scene Harry's scar was burning because of Quirrell instead of Snape, as they were sat next to each other. However, there's more to it than just that.
Quirrell is sat with his back to Harry, so Harry can only see the back of his head, which is covered by his turban. We later learn that Voldemort is part of the back of Quirrell's head, hidden beneath said turban, so in this scene Voldemort is actually staring right at Harry.
Julianne Hough appears as a Gryffindor student.
Hough played an unnamed Gryffindor student in this movie and didn't have any lines. Hough has since gone on to be a successful dancer, actress, and singer. She joined the cast of "Dancing With the Stars" before serving as a judge from 2014 to 2017, and she was actually nominated for three Emmys for her time on the show — for outstanding choreography.
This random "Harry Potter" appearance must feel like a long time ago to her now. It was her first acting role, and she was credited as "Hogwarts schoolgirl."
There's a portrait of Anne Boleyn, who was accused of being a witch.
Tons of details were hidden in the portraits of Hogwarts scattered throughout the "Harry Potter" movies, but this one is of particular interest as a real-life person makes an appearance.
Anne Boleyn was Henry VIII's second wife, and it is rumored that Boleyn was accused of being a witch — though it is also reported that she was never charged with being one. Still, it's a nice detail to add, and Boleyn is clearly a witch in the "Harry Potter" universe, similar to how JFK was a mutant in "X-Men."
The inscription on the Mirror of Erised reads: "I show not your face but your heart's desire."
While most Potterheads know that "Erised" is "desire" spelled backward, you may have missed the inscription at the top of the mirror.
The text says: "Erised stra ehru oyt ube cafru oyt on wohsi," which, read backward, says: "I show not your face but your heart's desire."
This basically tells the user exactly what the mirror does, as Harry finds out when he sees his parents staring back at him.
Harry, Ron, and Hermione all wear their scarves in different ways, reflecting their personalities.
Our three main characters wear their scarves in very different ways, and they seem to reflect each character's personality. Hermione's is organized and neatly tucked in; Ron's is slung on scruffily; and Harry's is somewhere in between for a more natural look.
The exact same chess move is made in both chess games played — the queen killing the knight.
Foreshadowing is a key technique in a lot of movies, and "Harry Potter" uses foreshadowing throughtout all eight. This is one such example. Ron and Harry play wizard's chess at Christmas, with Ron's queen brutally smashing Harry's knight.
In the last of the three tests Harry, Ron, and Hermione have to pass find the philosopher's stone, a second game of chess takes place, with Ron masterminding another win. The queen kills the knight in exactly the same way as Harry and Ron's earlier game, except it's the opposition's queen smashing Ron's knight this time.
Chess game No. 1:
Chess game No. 2:
The actor who played Lord Voldemort is credited as "He Who Must Not Be Named."
Ralph Fiennes played Voldemort in "The Goblet of Fire" onward, but we first see the dark lord in this movie, where he was forced to live as part of Professor Quirrell on the back of his head.
It was Richard Bremmer who played him in this movie, and his character is listed as "He Who Must Not Be Named" in the end credits rather than Voldemort.
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