There were no previews available but, if you’ve seen any of his shows before, you’ll know what to expect: a pleasant meander through the countryside with the occasional stop-off for a cheery chat, some intriguing historical facts and perhaps the odd presenter-has-a-go-at-some-craft-or-other moments. He starts at the river’s source in a Gloucestershire field and finishes this leg in Oxford… with some obligatory punting, of course.