Let's start at the very beginning. In this case, that's a big ol' spoiler alert. Please don't read this unless you have a) already seen 'Harry Potter and the Deathly Hallows: Part I' or you haven't seen it yet but want to know some of the key ways the film differs from the book. If you want to remain unspoiled, look away ... now!

For those of you who are fellow book fans, we've highlighted five different aspects of the film and graded them based on how faithful director David Yates and screenwriter Steve Kloves were to the first chunk of J.K. Rowling's epic, series-capping book.
Harry Potter and the Deathly Hallows: Part I
Based on 42 critics

Harry, Ron and Hermione set out to destroy the Horcruxes, the secrets to Voldemort's power. Read More