Hidden interview
Select the "Special Features" option at the main menu. Highlight the "Harryhausen & Bradbury: An Unfathomable Friendship" option, then press [Left] to highlight the man's shirt collar. Press [Enter] to view an interview with Ray Harryhausen. Alternately, Select the "Special Features" option at the main menu. Highlight the "Giant Monster Trailer Gallery" option, then press [Up] then [Enter].