Skate over/around — Cambridge
To avoid dealing completely with something or to fail to pay enough attention to it.
"I didn't understand what the teacher said about prepositions, because she only skated over it."
Skim over — ODO
3.1. Deal with or treat (a subject) briefly or superficially
"she skimmed over her meeting with Roger—it had suddenly become rather difficult to speak of him"
Usually used in the context of reading, but can be extended to watching movies.
Skim through — TFD
To go through some reading material quickly or superficially
"I skimmed through the movie listings to see what was playing."
Cast/run one's eye over — M-W
to read or look at (something) quickly.
"Please run your eye over this and let me know what you think."
