OP13: Detention with Dolores• Source
Hermione stops the twins from experimenting on first-years, Ron tries to stop unknowing house-elves from taking Hermione’s knitted hats, and Professor Grubbly-Plank teaches Care of Magical Creatures as there is still no sign of Hagrid. Harry serves Umbridge‘s detentions, in which an… Read MoreOP14: Percy and Padfoot• Source
Harry sends a letter to Sirius, he encounters Cho Chang and she calls him brave, and the Gryffindor team’s first practice is less than spectacular. Percy sends Ron a letter warning him against continuing his friendship with Harry, and Sirius communicates with Harry through the common room fire. Read MoreOP15: The Hogwarts High Inquisitor• Source
Umbridge is made Hogwarts High Inquisitor, and Harry loses his temper again in Defense Against the Dark Arts, serving another week’s detention. Umbridge observes the professors in class, and Ron and Hermione try to convince Harry to give Defence Against the Dark Arts lessons. Read MoreOP19: The Lion and the Serpent• Source
Gryffindor’s Quidditch Team defeats Slytherin, but Harry, Fred and George are given a lifetime ban from playing Quidditch by Professor Umbridge for fighting with Draco Malfoy. Read MoreOP20: Hagrid's Tale• Source
Hagrid returns and tells the story of his journey with Madame Maxime to the land of the giants, where they were unsuccessful in gaining an alliance. Read MoreOP22: St Mungo's Hospital for Magical Maladies and Injuries• Source
Arthur Weasley is rushed to St. Mungo’s Hospital, Albus Dumbledore sends Harry and the Weasley children back to Sirius Black’s house, and they visit Arthur in hospital as he makes his recovery. Read MoreOP25: The Beetle at Bay• Source
There is a mass breakout from Azkaban, a Ministry worker dies under suspicious circumstances, and Umbridge bans the teachers from giving students information unrelated to their subjects. Harry and Cho go on a date to Hogsmeade, and Hermione and Luna Lovegood arrange for Rita Skeeter to interview Harry, with his… Read MoreOP28: Snape's Worst Memory• Source
Dolores Umbridge replaces Albus Dumbledore as Head of Hogwarts, the students (with the help of Fred and George’s inventions) rebel while the staff sit back and watch, and Umbridge tries to get Harry to tell her where Dumbledore is hiding. Harry confronts Cho Chang… Read MoreOP30: Grawp• Source
Harry recalls the dream again, the Gryffindor Quidditch team plays Ravenclaw for the final match of the Quidditch season, and Hagrid introduces Harry and Hermione to his half-brother, Grawp, making them promise to look after Grawp if he has to leave the school. Read MoreOP33: Fight and Flight• Source
Hermione and Harry lead Umbridge into the Forbidden Forest, Umbridge insults the centaurs and they take her away, Grawp rescues Harry and Hermione from the centaurs, and Ron rejoins them with Neville, Ginny, and Luna, who insist on helping them in their fight. Luna suggests using the thestrals to get… Read MoreOP35: Beyond the Veil• Source
Lucius Malfoy, Bellatrix Lestrange, and other Death Eaters arrive and attempt to take the prophecy away from Harry. The D.A. members fight the Death Eaters and are separated. Hermione Granger is badly hurt, Neville Longbottom’s nose is broken and, when they are… Read MoreOP37: The Lost Prophecy• Source
Harry has his final outburst in anguish over Sirius’ death, and Dumbledore tells him everything – about why he must return to the Dursleys every year, about the prophecy, about how Voldemort marked him as his equal, about how it could as easily have been Neville, and about how either… Read More