Review the collections that movies are in
This looks at all movies that are indicated to be part of a series or collection of movies. For each collection it gets the other movies in the collection and identified whether they are in the library.
You can:
Filter records using Checkboxes at the top
Remove Completed collections => If all the movies in a collection are in your library, this option will remove the collection from this view
Remove Future Movies => If a movie has no release date, or has a future release date it will be removed from the view
Filter and sort using right-click on Column Headers
Right-click to add the movie to the library (among other actions)