pleased to welcome keanu reeves to this program. the talented and popular star of so many notable projects, including, of course, "the matrix" trilogy, is out now with a terrific new documentary about the changing nature of filmmaking. the project is called "side by side." >> are you done with them? >> do not hold me to it, but i think i am. >> we are going through a very significant enlarged transition in cinema, -- and large transition in cinema, and the visual process democratizes the whole thing. >> i always thought you have to have a certain kind of knowledge. basically, you have to be a dude who knows how to operate machines to do this job. >> i want to push the art form even further, to be able to make things you could not envision before. >> we are being forced into transition. >> periscopic lee, you need the two images to exist. >> you cannot shoot three-d on film. film has been dead in my heart for 10 years. >> i hate 3-d. it is a marketing scheme. >> i really thought this is the future. >> how is it different, and how do