Hidden footage
Press [Down] at the main menu until the "Living On Morning View" option above Chuck's head is highlighted. Press [Enter], then press [Right] until the "Red Room Trip" option next to "Circles Jam" is highlighted. Press [Enter] and look at the laptop to see footage from the When Incubus Attacks Volume 2 DVD.
Revealed screen
Press [Down] at the main menu until the "At The Concert Option" is highlighted. Press [Down] again to highlight the yellow star that Chuck is on. Press [Enter] to reveal the blank portions of the screen.