I really wasn't impressed by the finance/banking Khan Academy talks. They seem worse (adjusted for grade level; they seem to be designed for "general adult, non-academic or professional interest") than the algebra/geometry classes (assuming those are aimed at grades 6-12.)

What I'd like is something at the MBA curriculum level (e.g. Wharton Finance) or the training programs used to bring physics phds up to speed on finance as quants), and executed well. Unfortunately this is probably considered a proprietary/competitive advantage for these firms, so they won't release it.