You can search for documentaries in CLIO, the library search interface, just as you would for books (use either "Quicksearch" or "Catalog"). There are several ways to find documentaries in CLIO:
Databases with Streaming Video
Looking for videos you can stream at home? Here are several databases with a variety of streaming content.
Visit the library's Databases page for a full list of video and webcast resources.
Visit the library's catalog for a full list of all available documentaries, or browse specific documentaries by most popular topics below: