Kanzenshuu

It's all good now. I finally beat it
To access the 'what-if' scenario:
Beat Goku & Vegeta before the timer reaches 1500

The last level is

I'm stuck in the Story Mode. I can't seem to unlock one of Broly's 'what-if" scenarios after "Showdown. Broly Vs Goku", or something like that. Any help greatly appreciated.

I have checked by putting other DVD's in the box. It holds six.

Just one little question. How can there be seven discs in the Vegeta Saga 1 when the box only holds six? o_0