Alternate scene
Select the "Special Features" option at the main menu. Select the "Creation" option, then highlight "The Film" option. Press [Left] to view an alternate version of the creation scene.
Hidden trailer
Select the "Special Features" option at the main menu. Select the "Creation" option, then highlight "The Novel" option. Press [Left] to view the trailer from Frankenstein.
Hidden promo
Highlight the "Start Film" option at the Main Menu. Press [Up] to view a promo for the DVD version of Metropolis.