Harry Potter (film series) in the "Harry Potter" franchise — "Harry Potter and the Prisoner of Azkaban", "Harry Potter and the Goblet of Fire", "Harry Potter and the Order of the Phoenix", "Harry Potter and the Half-Blood Prince" and "Harry Potter and the Deathly Hallows", Parts 1 & 2 — have to date grossed around $216 million in IMAX theaters worldwide. The "Harry Potter" films and their success have been retrospectively considered to have had a significant impact on the film industry. They are cited as having helped redefine the Hollywood blockbuster in the 21st century by initiating a shift toward established media franchises
Harry Potter and the Chamber of Secrets (film) based on his own improvised line, "Don't worry. I will be." University of Cambridge linguistics professor Francis Nolan was hired to construct the Parseltongue language for the scenes where Harry Potter was talking to snakes. Principal photography wrapped in the summer of 2002, while the film spent until early October in post-production. In a change of cinematography from the first instalment, director Chris Columbus opted to handheld cameras for "Chamber of Secrets" to allow more freedom in movement. Due to the events that take place in "Harry Potter and the Chamber of Secrets", the film's sound effects were much more