The Mars Society Robert Zubrin who with his team has developed his own plan for getting humans to Mars and back - Mars Direct (with updated mission architecture called "Mars Semi-Direct"). They are confident the mission could be carried out in a decade if only NASA would dare to try. It would be the first step for colonizing Mars and thereby making humanity a multi-planet civilization.
As the documentary was released in May, 2007 it doesn't cover the more recent plans for Mars colonization/exploration by SpaceX or Mars One.
You can watch the most recent version (labeled as "Updated edition/Director's cut") of the film here: