Back to the Future Part II Reviews
By the end, you may feel that you've just sat through a feature-length commercial for both part one (which has to be seen to make this sequel comprehensible) and part three (a trailer for it literally ends part two).
Zemeckis' fascination with having characters interact at different ages of their lives hurts the film visually, and strains credibility past the breaking point, by forcing him to rely on some very cheesy makeup designs.
Sure, [Back to the Future II] has a clunky first act - which takes place in a hilariously overblown futuristic society - but the film knows just how, and when, to entertain us, and it does so in spades.
Taken as a pair, the first two films ask a number of unresolved and unresolvable questions about causality, order, and intention; and taken as a pair, they're also a hell of a lot of fun.
There are definitely aspects of laziness to the script--jokes which haven't been fully considered, simpleminded characterizations, subplots which have no life outside of the narrative--but at the same time the movie has a spirit of exploration and daring,
The film works best through its magnificent technical achievements (the visual effects received an Oscar nomination) and the inherent charm of Fox, Lloyd and, especially, the delightfully menacing Thomas F. Wilson.