Review: a tired , talky feel 
Sentiment: negative

Review: necessary viewing for sci-fi fans 
Sentiment: positive

Review: can take credit for most of the movie 's success 
Sentiment: positive

Review: this is the kind of subject matter that could so easily have been fumbled by a lesser filmmaker , but ayres makes the right choices at every turn . 
Sentiment: positive


Review: its brain is a little scattered -- ditsy , even .