Before fans get to explore Pandora again in director James Cameron's Avatar sequels, the filmmaker is taking moviegoers to the deepest point of the Pacific Ocean in the first trailer for James Cameron's DeepSea Challenge 3D. The heralded director and longtime underwater explorer joins forces with National Geographic and Rolex on a journey to the Mariana Trench's lowest point in a historic dive, which is captured with his innovative 3D cameras. Take a look at the first footage from this upcoming documentary, which will debut in theaters nationwide August 8.

A joint scientific project by Cameron, the National Geographic Society and Rolex to conduct deep-ocean research and exploration to expand our knowledge and understanding of these largely unknown parts of the planet.

Cameron's historic DeepSea Challenge expedition will be the first extensive scientific exploration by a manned vehicle to the Mariana Trench's lowest point, the Challenger Deep. Cameron plans to spend six hours at the bottom of the Pacific Ocean trench, some 200 miles (322 km) southwest of Guam, to collect samples for research in marine biology, microbiology, astrobiology, marine geology and geophysics.

The DeepSea Challenge expedition will be chronicled for a 3D feature film for theatrical release on the intensive technological and scientific efforts behind this historic dive, which will subsequently be broadcast on the National Geographic Channel, and documented for National Geographic magazine. Cameron also will collaborate with National Geographic to create broad-based educational outreach materials.

<strong><em>Deepsea Challenge 3D</em></strong> photo 1
<strong><em>Deepsea Challenge 3D</em></strong> photo 2