If you cannot watch the episode in your country, here is a link to the "Band in China" on facebook (subbed in traditional Chinese): https://www.facebook.com/fighterstudiohk/videos/396572967928...
My friends in Hong Kong and Canada couldn't watch the official stream for some reason, and got some copyright page instead: https://southpark.cc.com/full-episodes/s23e02-band-in-china
†: https://www.saporedicina.com/english/vpn-how-to-access-faceb...