Alternate Opening / Ending:
Go to the "Extras" menu. It should automatically highlight Character Bios. Press up once on your remote to highlight Extras Menu. Press your Enter button and view a clean version of the opening and ending sequences.

Bonus Feature:
Start up the Second DVD of the NGE series, Genesis 0:2, and go to the Character Bios second in the extras. Go to the last bio and press 1. A new, hidden bio of the 5th Angel will appear.