James Cameron tells Marc Fennell what he has planned for the Avatar franchise, how the idea from The Terminator began with a bad virus in Italy, and why he travelled to the bottom of the ocean for his new film, documentary 'Deepsea Challenge 3D'. Facebook: https://www.facebook.com/SBS2Australia Twitter: https://twitter.com/sbs2 Tumblr: http://sbs2australia.tumblr.com/