Universal Studios Florida interactive segment from Panasonic DVD Demo Disc #3 (1997) 

This showed off the format's interactive capabilities, having you pick one of the three characters who would then show you a different part of Universal Studios. It's presented here with all 3 segments, normally the disc goes back to the main menu after the ending and you have to play the intro again to see a different one.
Parts of this were also used on the very first Panasonic demo disc, shown there in 4x3 letterbox but presented here in proper 16x9.