"Ah, man, I heard about this thing..." - Let's watch "The Dream is Alive"!

I reiterate: I like to watch vintage Disney Park specials before heading down to The World.  I like to see what's changed, what's stayed the same, and what I missed out on that I honestly wouldn't believe actually happened unless they were documented on film for posterity. "Walt Disney World's 20'th Anniversary: The Dream is Alive" does not preserve much of the latter (save for a brief glimpse