Harry Potter quiz shows for fans to mark movie's 20th anniversary

'Harry Potter And The Sorcerer's Stone' the first movie adaptation of J.K. Rowling's best-selling series, was released in November 2001.

Know your Gryffindors from your Dementors? Who was the Half-Blood Prince and what can you buy at Ollivanders?

Fans of Harry Potter can test their knowledge of the books and films in a new TV quiz competition series being launched by WarnerMedia to air later this year as part of 20th-anniversary celebrations of the first film in the adventures of the boy wizard.