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

Review: of the best films 
Sentiment: positive

Review: are simply dazzling , particularly balk , who 's finally been given a part worthy of her considerable talents 
Sentiment: positive

Review: this is a movie you can trust . 
Sentiment: positive


Review: the plot grows thin soon ,