请调整浏览器窗口大小或者请使用手机查看!
Jo asks Bill Bailey to help her assess the trendy new craze of wild swimming, and also tackles the Olympic white water canoe slalom course.
Jo attempts synchronised diving and invites Sean Lock to join her in a very muddy race.
Jo meets a man who can hold his breath underwater for a staggering 20 minutes, and Rich Hall tries a traditional canal holiday.