In Advanced Search, enter the title of a movie (use quotes if the title is more than one word) and select "PS - Reviews & Products" in the drop-down menu next to the search box. Click Search.
There is also a Limiter on the Advanced Search page that also helps with locating movie reviews. See Document Type=Entertainment Review
A movie review index with links to over 120,000 full-text reviews covering more than 17,000 films from international, national, and local newspapers, arts and entertainment journals, and other sources.