In "Advanced Search" select Material Type as Video/Film then narrow your search terms. Also search in the following databases:
Academic Video Online (AVON). "Academic Video Online is the most comprehensive video subscription available to libraries. It delivers more than 66,000 titles spanning the widest range of subject areas including anthropology, business, counseling, film, health, history, music, and more."
Kanopy. "Kanopy is an award-winning video streaming service providing access to more than 30,000 independent and documentary films ─ titles of unique social and cultural value from The Criterion Collection, The Great Courses, Media Education Foundation, and thousands of independent filmmakers."