Review: is about as necessary as a hole in the head 
Sentiment: negative

Review: well-written television series where you 've missed the first half-dozen episodes and probably wo n't see the next six . 
Sentiment: negative

Review: a solid sci-fi thriller 
Sentiment: positive

Review: a 75-minute sample of puerile 
Sentiment: negative


Review: the sight of the spaceship on the launching pad is duly impressive in imax dimensions , as are shots of the astronauts floating in their cabins .