If you’re asking about Dennis Lee the poet (the one who wrote 'Alligator Pie' and a bunch of stuff that stuck with people who grew up in Canada), there isn’t a widely known, feature-length documentary or Hollywood-style biopic devoted to him. From poking around interviews, festival recordings, and library catalogues over the years, what you mostly find are readings, recorded talks, radio interviews, and short profiles tucked into programs about Canadian literature or children’s books. Those little clips are gold if you enjoy hearing an author’s voice — I’ve spent late nights watching archived readings on YouTube and feeling that same childlike grin return when a line lands.
If you want to dig deeper, try the CBC Digital Archives, the National Film Board of Canada catalogue, and university special collections — they often hold recorded readings, interviews, and televised segments that never made it into mainstream documentary form. Public libraries sometimes have VHS/DVD or digitized audio from literary festivals. Also, book anniversary events and publisher retrospectives occasionally produce short films or web features that profile an author’s life and work.
So short version: no big cinematic biopic that I know of, but there’s lots of smaller, great material scattered around. If you’re hoping for a full documentary experience, it might be a fun project to assemble clips into a playlist and pair them with essays or interviews — I’d watch that!