Review: a time machine , a journey back to your childhood , 
Sentiment: positive

Review: it 's tough to watch , but it 's a fantastic movie . 
Sentiment: positive

Review: ` innovative ' and ` realistic ' 
Sentiment: positive

Review: get by on humor that is not even as daring as john ritter 's glory days on three 's company 
Sentiment: negative


Review: there 's a great deal of corny dialogue and preposterous moments .