The Making of Harry Potter with roundtrip transportation from London. Given Harry Potter’s status as a global phenomenon, access to the Studio Tour is one of the most coveted tickets in the UK. On this tour, you’ll visit Warner Bros. Studio Tour London – You’ll also discover some of London’s major sights on a walking tour through the heart of the city. With an enthusiastic, knowledgeable guide, you’ll spend a day discovering the history of London and the Wizarding World of Harry Potter at the Studio Tour.