No text introduction and ending
Select the "Extras" option at the main menu. Highlight the "Character Bios" option and press [Up] to highlight the "Extras Menu" text. Press [Enter] to view the introduction and ending sequences without text.
Hidden trailer
Enter the "ADV trailer" screen. Highlight the "Activation Systems" option at the bottom center of the screen. Press up to turn one of the orange hexagons next to the Neon Genesis Evangelion text at the top of the screen pink. Press [Enter] to view the trailer.