Russell Howard is due to perform stand-up comedy gigs in Denmark, New Zealand, and Germany over two months, one of the first people to do this since lockdown began. Now he's taking us en route to his gig, to get under the skin of the countries he's visiting. At a time when we've never felt further apart as a world, he plans to discover what our cousins across the seas are really like, celebrating both our differences and unexpected shared passions