Hidden commentary: For the Region 1 version, insert Disc 1. Highlight
the "Select Episodes" option at the main menu. Then,
press Right to highlight the number "4691" on
the clipboard. Press Enter to display a keypad. Enter 4
and the main menu will return. Repeat all steps until the numbers
6, 9, and 1 are also entered on the onscreen
keypad. A commentary and review for the Future Echoes episode
For the Region 2 version, insert Disc 1. Select the "Clipboard"
option at the main menu, then enter 4691 as a password
to view the Future Echoes commentary and review.