On the Buses, you may remember or you may be too young to remember, was a classic British TV situation comedy aired in 74 episodes between 1969 and 1973. The first spin-off film was the most successful film of 1971, beating the James Bond spyfest Diamonds are Forever. On the fortieth anniversary in 2011 fans attending an On the Buses Rides Again weekend travelled in a Routemaster bus to the London suburb of Borehamwood to take photos of a manhole cover – the very manhole apparently where, in the film, Olive Rudge got her bottom stuck. Olive was the frumpy sister of main man Stan, played by the great Reg Varney.