Crash Bandicoot 3: Buttobi! Sekai Isshuu
To access to the Secret/Bonus video
Hold L1 + R2 + Down + Triangle
When Playstation "PS" logo screen appears.
Wait a little bit.
Video will be played then on the next screen (as video shows).
Release buttons and enjoy.
Is necesary to restart the game when video is completed.
Note:
It works just in Crash Bandicoot 3: Buttobi! Sekai Isshuu Japanese version.