Mums and dads – and, more than likely, grandparents as well – will have fond memories of Peanuts, the Charles M Schultz cartoon about Charlie Brown, his friends and, of course, the one and only Snoopy. A daily strip in a national newspaper which also became a series of books and then moved to TV, it’s now arrived on the big screen for the first time in the shape of Snoopy And Charlie Brown…