Ricky Gervais presents a history of impressionists on British TV, from the ground-breaking That Was the Week That Was through to the peak-time slots now inhabited by Rory Bremner's Dead Ringers and Alistair McGowan's Big Impression. With contributions from Ronni Ancona, Jon Culshaw, Bobby Davro and Jan Ravens.
Director: Gregor Sharp; Executive producer: Ian Burgoyne.
Ozzy, meet Ozzy: page 21.