Hide films you’ve already seenUpload your Letterboxd export — we use it to filter out films you’ve watched, only on your results page.Get the file: letterboxd.com/settings/data → “Export your data.” CSV or ZIP both work.

← Back to Perfery

Billion Dollar BrainNo poster

Billion Dollar Brain

(1967)

Loading synopsis…

About·What’s New·Contact·Privacy·Terms

Data from TMDb & Wikidata·This product uses the TMDb API but is not endorsed or certified by TMDb.·Ratings from IMDb & Metacritic·Perfery is not an official Letterboxd product.