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The second teaser, explained

The second teaser, released on 2 September 2026, moves the story to Hogwarts: the Sorting, the lessons, Quidditch, and the first signs of danger. HBO has not yet released a full trailer.

This guide is based on HarryPotter.com’s own rundown, arranged by subject rather than in the order of the teaser.

Before Hogwarts

• Hermione (Arabella Stanton) walks the Hogwarts Express in her new robes and tries talking about the summer reading with Lavender Brown and Hannah Abbott. They are unimpressed, and she goes to look for another seat.
• At the Burrow, a home the books do not mention until much later, Fred and George get ketchup on Ron’s first Hogwarts letter, while Percy receives his prefect badge with Mrs Weasley looking on proudly.

The Sorting and the feast

• McGonagall leads the first-years through the Great Hall, filmed from above.
• The Sorting Hat speaks through the rip near its brim.
• Professor Quirrell, in a head wrap, sits at the staff table during Harry’s sorting. Variety names Luke Thallon in the role.
• The roast dinner rises from the kitchens, Yorkshire puddings included, and a breakfast scene follows.

Life at school

• Owls deliver the timetables. Paused, Harry’s turns out to be colour-coded.
• In Transfiguration, Harry fails to turn a match into a needle while muttering the incantation “Acufors”. The exercise comes from the book (Philosopher’s Stone, ch. 8), which never names a spell for it.
• In Herbology, Neville pulls an enormous Mangelwurzel from his pot, while Dean Thomas and Seamus Finnigan pass a plant between them.
• Harry and Ron have a pillow fight in the dormitory, a scene new to the series. Dean’s walls carry West Ham posters.
• Hermione charms a homemade Gryffindor banner so that the paint glows and the lion roars.
• The students wear jumpers, dressing gowns, hats and scarves, and Seamus a 90s-style Quidditch tracksuit.

Quidditch

• Students bang on the Great Hall tables, and the Gryffindor team huddles in the changing rooms.
• A point-of-view shot follows Harry on his Nimbus 2000 as he chases the Snitch.
• At the Gryffindor v Hufflepuff match, Ron stands right in front of Draco. Later he congratulates Harry with a bloody nose, which suggests a fight.

What the teachers say

McGonagall tells Harry, one to one, to work hard and make good friends. Snape tells him he has shown no talent so far, and hopes the Quidditch pitch will be different. The line that sets the tone is Dumbledore’s, spoken to McGonagall:

“We can’t protect them. We can only prepare them.”

The danger, and the end of the story

• Harry, Ron, Hermione and Neville scream at the sight of Fluffy, the three-headed dog.
• A troll with slimy skin over its eyes roars, and Ron casts a spell at it.
• Harry uses the Invisibility Cloak and finds the Mirror of Erised.
• Hermione’s library book points to the search for Nicolas Flamel.
• Draco nervously enters the Forbidden Forest for detention, Hermione is seen on the way through the trapdoor, and Ron plays the giant wizard chess.

These moments come from the later chapters of the book. See which episodes they may fall in.

What is still unexplained

HarryPotter.com leaves two images open: wizards running across a bridge and lighting up willow trees with their wands, and a hooded figure approaching a thatched roof.

Before this one: the first teaser, explained. See also all trailers and the characters and cast.