Hidden video
Select the "Extras" option at the main menu. Highlight the "English Trailer" option, then press [Left], [Left], [Up], [Up], [Up], [Right] to highlight the "Extras" text. Press [Enter] to restart the background animation. Enter the "Japanese Commercial Spots" screen, highlight the "15 sec TV Commercial C Type" option, then press [Left], [Up], [Enter], [Down], [Enter] to view the Froggymix video.