The Lord of the Rings moviemaker is working on a new version of the classic 1954 World War II epic, shooting the $36 million (£24 million) project in his native New Zealand.
And he has revealed his is currently filming experimental three-dimensional footage and if the trial is successful, the whole movie will be given the special effects treatment.
He says, "I think a World War Two bombing raid in 3D would be neat.".