The clips of Radcliffe, Watson and Grint talking to each other have been taken from Harry Potter 20th Anniversary: Return to Hogwarts. This was a television reunion special for the cast and crew of ...

There are four houses in the Harry Potter film/novel series. They are: Gryffindor, Hufflepuff, Ravenclaw, and Slytherin. The four houses of Hogwarts School of Witchcraft and Wizardry were established ...