The Knowledge: The World's Toughest Taxi Test
Plot: A documentary going behind the scenes of one of the hardest exams in the world, the test that all black cabbies must take: The Knowledge of London. For the first time, a fixed camera rig has been allowed inside the gruelling, nerve-wracking oral exams or ‘appearances’ for which candidates known as ‘Knowledge Boys or Girls’ must pass to show they have the necessary expertise