 In their effort to create definitive editions the line complements their releases with a collection of new or available scholarly material such as interviews, documentaries, essays, and commentary tracks.Filmmakers such as Guillermo del Toro, Martin Scorsese, Peter Watkins and Claude Lanzmann, scholars such as Tony Rayns, David Bordwell and David Kalat and critics such as Kent Jones, Phillip Lopate, Adrian Martin and Jonathan Rosenbaum have all created exclusive content that was used for releases in the line.Masters of Cinema started releasing titles on DVD in 2004.