Chief among the wealth of extras on the Mark of the Rani DVD is a commentary track featuring a typically charming Baker and Bryant, who are joined by O'Mara; Baker, in particular, shines here by giving a considerable amount of production information along with personal reminiscences. "Lords and Luddites" is a 43-minute featurette about the serial's conception and production (narrated by UK television personality Louise Brady) that's chock full of interviews with the cast and crew, including the Bakers and composer Jonathan Gibbs (who is also profiled in a short interview piece), who replaced John Lewis, who died during production (both composers' soundtracks are offered in isolated music tracks). A battery of deleted and extended scenes, a return jaunt to the production locations, related clips from the children's TV programs Blue Peter and Saturday Superstore, and the by-now standard photo gallery, text-only information track, and PDF files for the Doctor Who Annual and Radio Times listings round out the supplements. --Paul Gaita