As Harry Potter begins his 6th year at Hogwarts School of Witchcraft and Wizardry, he discovers an old book marked mysteriously "This book is the property of the Half-Blood Prince" and begins to learn more about Lord Voldemort's dark past.
In the sixth year at Hogwarts School of Witchcraft, and in both wizard and muggle worlds Lord Voldemort and his henchmen are increasingly active. With vacancies to fill at Hogwarts, Professor Dumbledore persuades Horace Slughorn, back from retirement to become the potions teacher, while Professor Snape receives long awaited news. Harry Potter, together with Dumbledore, must face treacherous tasks to defeat his evil nemesis.
Written by IMDb Editors
Incorrectly regarded as goofs:
When Harry first has the Half Blood Prince's potions book, his signature is in the front of the book. When Ginny takes it from him, she reads his signature from the back. However, the book may have been signed at the back and the front as later in the film we see the words written in two different styles suggesting multiple instances.
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The end credits take their shape from what look like ink spills, resembling the appearance of the collected memories when they are poured into Dumbledore's Pensieve.
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