My favorite was easily the Japonisme panel. I knew some of the basics from previous art history lessons, but I never really knew how many of the trends in 19th century art were in part reactions to Japanese art (be it in imitation of it or a reaction against it), and he didn't shy away from some of the more uncomfortable truths in that history. The presenter works for a museum and that experience really served him well, as his presentation was well-researched and well-presented.
Art of the Eyecatch was fun. Not necessarily a lot of concrete information in that one, but still a good sho