Weirdly, few of the "front page" videos appear in the "all videos" listing: https://ergo.org/videos
and I'm not seeing a search for option (for, say, Graham Priest on modern mathematical logic, etc.)
But yes, it's a sparse site for long form philosophy, particularly given the existence of Plato.
Err, website Plato, that is, not the Monty Python soccer player.
Plato on Plato: https://plato.stanford.edu/entries/plato/
Plato V Leibniz: https://www.youtube.com/watch?v=LfduUFF_i1A