What you do is you find vidio tapes hidden in leves to wath them you go to spangonia after
you've beat both day and night levels and in the shop(find the way to it on the map) their
is a tv buy it go to the profesers lab hit the select button near the tv and hit the
select button again on the one you want and watch.

Windmill isle - Day - Act two: I'll paint you an image of the general area, Nearing the
end of the level you come to a bridge with a gap, And you must hop the gap by bouncing off
of flying the tiny robots then you run along the bridge and at the end theres a sharp
right turn down some stairs so a short series of platforms and buildings from a sideways
on angle, Evantualy you reach a rooftop with a device that you jump up into and press X to
smash the two robots on the small rooftop infront of you, Normaly your launched right over
it BUT just down over the right hand side of this building, In the middle of the gr***y
feild, Is the videotape you seek, I rambled on a bit, But i hope i could be of help. ^_^