There is a behind the scenes section, much missed from the first Potter DVD, which includes cast interviews, featuring an interview with the late Richard Harris, and there is an interview with Harry Potter author J K Rowing.

BBC: Dobby the house-elf

LONDON, England (Reuters) -- The creator of Harry Potter, the world's most popular boy wizard, is set to cast a spell over "The Simpsons, " her spokeswoman said Wednesday.

CNN: Rowling