Chapter 9 - "The Midnight Duel" - In which Gryffindor and Slytherin have flying lessons together, Neville injures himself on his broom, and Harry and Draco fight it out on brooms over Neville's Remembrall, resulting in Harry being made Seeker of the Gryffindor Quidditch team. Later, Draco challenges Harry to a wizard's duel, but instead of dueling he tells Filch in hopes of Harry being caught and expelled. Harry and his friends evade Filch and after encountering Fluffy, the three-headed dog, are safely back in their dormitory.
The Start of Harry's First Year
Despite high expectations, [Harry] and his classmates are disappointed by a disappointing first [Defence Against the Dark Arts] class with [Professor Quirrell].
As his first week progresses [Harry] realizes he isn't really behind the other first years.
Sitting at breakfast Friday morning, [Harry] and [Ron] discuss [Snape] and [McGonagall], and [Harry] gets a note inviting him to visit [Hagrid] in the afternoon.
The first years descend to the [dungeons] for their first [Potions] class, in which [Snape] belittles [Harry] almost instantly and takes several [points] from him for irrelevant things.
[Harry] and [Ron] head down to visit [Hagrid], where they discuss [Snape]'s hatred of [Harry] and ask [Hagrid] about the break-in at [Gringotts].
The [Gryffindors] learn that they will be having flying lessons with the [Slytherins], and sit at breakfast discussing their nervousness. [Neville] also gets a package from home with a [Remembrall], which [Malfoy] briefly snatches from him.
The [Gryffindors] and [Slytherins] begin their first flying lesson, and just as they're beginning [Neville] falls and breaks his wrist, prompting [Madam Hooch] to take him off to the [hospital wing] with strict warnings to the others to stay off the [broomsticks].
With no teachers around, [Draco Malfoy] grabs [Neville]'s [Remembrall] and flies up in the air with it. [Harry] chases after, despite warnings from classmates - and when [Malfoy] throws it, makes a magnificent diving catch.
After spotting [Harry] flying after the [Remembrall], [Professor McGonagall] calls him down and leads him inside, stopping to ask [Professor Flitwick] if she could take [Oliver Wood] out of class as well.