Review: desire to the cheap , graceless , hackneyed sci-fi serials of the '30s and '40s 
Sentiment: negative

Review: , it 's exploitive without being insightful . 
Sentiment: negative

Review: contains the humor , characterization , poignancy , and intelligence of a bad sitcom 
Sentiment: negative

Review: is impressive . 
Sentiment: positive


Review: the film , which very simply sets out to entertain and ends up delivering in good measure