Plot - This film has got to have the worst screenplay in the history of sci-fi. It's plodding, stiff, and barely comprehensible. Lucas was too busy making deals with Taco Bell and Pepsico to notice this movie was doomed from the moment they started filming.
Form - The action sequences in this film are absolutely ridiculous. Everyone's flopping all over the place, jumping off cliffs, running around giant arenas, it's hard to even keep track of what's going on.
F/X - Shitty CG. With a story this bad, who cares about the visual wows?
Acting - No one acts in the entire movie, expressionless and emotionless throughout. All of these famous people might as well be made of wood.
Mise en scene - Everything looks like shit.
Quotables - Everything is stupid.
Cool stuff - Disney could make a better fucking Star Wars movie.