But these
scenes aren't lazy or dashed - off — some are funny little beats that tie up lingering threads
from the main storyline, others lay the groundwork for future
movies, and a few are are deeply nerdy references that
exist to make Marvel aficionados cheer in their seats while their normal friends and family stare at them and wonder what the heck is going on.
Don't miss: The extras include a nine - part retrospective
from 2009 on the legacy of the trilogy; a short film, «Doc Brown Saves the World,» with Christopher Lloyd, that shows why some of the futuristic gadgets
from the second film do not
exist today; a peek at the 2012 restoration of the iconic DeLorean; two episodes
from «Back to the Future: The Animated Series;» a 2015 commercial for a hoverboard and a trailer for «Jaws 9»; a five - part documentary on the making of the
movies, a look at the franchise's physics; deleted
scenes; a question - and - answer session with Fox; eight archival featurettes; behind - the -
scenes footage; music videos; commentaries; and a look at «Back to the Future: The Ride.»