Disc Four plunges into the brutal reality of the film's production and its groundbreaking visual effects. is a 68-minute documentary that takes you on set, capturing the wear and tear on the cast. It famously details how Viggo Mortensen broke his toes kicking a helmet—and how the take was used in the final film.

The Extended Edition has been embraced by fans and critics as a substantial improvement over the theatrical cut — a rare case in film history where a director's later recut became the fan-preferred version.