This making-of piece looks at the long evolution of the film from its inception during the boom of Vietnam War films in the mid-to-late 1980s to what the film attempts to do in its final version. It includes notes from Stiller, Black, Downey, Cornfeld, writer Justin Theroux, and actors Jay Baruchel and Steve Coogan as we learn a little about the film's extended development as well as its take on its topic matter.