Mummification Documentary
Insert Disc 2, and select the [Bonus Materials] option at the [Main Menu]. Advance to the second screen, then select the [Egyptology 201] option. Select the [An In-Depth Look At Mummification] option. Highlight the arrow at the right side of the screen, then press [Right] to highlight the scorpion symbol. Press [Enter] to watch a documentary about mummification.
Production Credits
Insert Disc 2, and select the [Bonus Materials] option at the [Main Menu]. Advance to the second screen, then select the [Menu] option at the bottom. Press [Up] to highlight the hieroglyphics. Press [Enter] to view the disc's production credits.
Trailer for the Soundtrack
Go to the [Special Features], then select the [Music Video]. When the video is playing, press [Skip Forward] to the next chapter and you find a idden trailer for "The Mummy Returns Soundtrack", which is not mentioned on the special features list.