7 of 1 (BBC comedy anthology, 1973)

Episode 4: Spanner's Eleven:
Vehicle for Ronnie Barker saw him take on seven different characters in seven episodes. The first two acted as pilots for 'Open All Hours' and 'Porridge, but this episode went no further. Barker plays Albert Spanner, who has a taxi business and also drives a minibus, early Ford Transit FDP500E: