The clip comes ahead of the eagerly-anticipated Harry Potter and the Deathly Hallows: Part 2, in order to remind viewers of the story so far.
Daniel Radcliffe and Emma Watson, who play Harry Potter and Hermione Granger in the films, also discuss the highlights of Harry Potter and the Deathly Hallows: Part 1 in the video.
Watch the Harry Potter and the Deathly Hallows: Part 1 recap video below:
Yesterday, three new Deathly Hallows: Part 2 preview videos were unveiled, including a 'Horcruxes' featurette explaining the story behind the dark items, and a clip of Hermione and Ron (Rupert Grint) in the Chamber of Secrets.
Harry Potter and the Deathly Hallows: Part 2's premiere will stream live on YouTube on July 7. The film comes out in cinemas on July 15.
> Harry Potter and the Philosopher's Stone: A retrospective
> Harry Potter's Matthew Lewis interview: 'I grew up with Neville Longbottom'
> Read our complete Harry Potter coverage