Mike Newell at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Katie Leung at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on November 19, 2005. (Footage by WireImage Video/Getty Images)

Robert Pattinson signing autographs at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on November 19, 2005. (Footage by WireImage Video/Getty Images)

Mike Newell on the difficulty of making the film, on planning the dragon's movements at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on November 19, 2005. (Footage by WireImage Video/Getty...

Emma Watson thanking the Japanese fans at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on November 19, 2005. (Footage by WireImage Video/Getty Images)

Jamie Waylett and mother at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Fans at premiere at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Crowds at the Premiere of Harry Potter and the Goblet of Fire.

Robot Dragon at the premiere of Harry Potter and the Goblet of Fire.

Jason Isaacs at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Katie Leung at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Rupert Grint at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Emma Watson at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Jason Isaacs and Robert Pattinson at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

James Gandolfini and guests at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Jamie Waylett at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

David Heyman on being in Japan, on this movie dealing with more mature issues than the others, and on producing all the Harry Potter books at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on...

Katie Leung thanking the Japanese fans at the 'Harry Potter and the Goblet of Fire' Tokyo Premiere at Rippongi Hills Arena in Tokyo on November 19, 2005. (Footage by WireImage Video/Getty Images)

Miranda Richardson at the 'Harry Potter and The Goblet of Fire' New York Premiere Arrivals at the Ziegfeld Theatre in New York, New York on November 12, 2005. (Footage by WireImage Video/Getty Images)

Photocall with the cast of Harry Potter and the Goblet of Fire

Interview with Daniel Radcliffe at the premiere of Harry Potter and the Goblet of fire.

Interview with Emma Watson at the premiere of Harry Potter and the Goblet of fire.