On 1 January 2021, the UK's transition period with the EU ended and new rules and regulations were agreed at the last minute. This is a time for reflection on the social phenomenon that is Brexit - which has now become a British trademark world-over, alongside the Royal Family, fish and chips and Sherlock Holmes. Brexit Through The Non-Political Glass puts politicians and public sentiments to one side, and seeks the opinions of non-partisan world-class experts - the scholars and professional advisors who specialize in this very topic; no politicians and propagandists, and no social media and populism; among the experts is Vernon Bogdanor, the Oxford tutor of former British prime minister David Cameron, who was consulted before the referendum was offered to the nation; you will hear what his advice was.

• Documentary