Visible crew/equipment: As Stan drives off after demolishing the telephone box and bus shelter the camera lights are reflected in the back window of the bus.
On the Buses (1971)
1 visible crew/equipment mistake - chronological order
Continuity mistake: Vera gets onto her bus just after Stan and Jack have put spiders in the cab. She is wearing boots when she discovers the spiders, causing her to run into the back of the lorry. As she does so, it is evident that she is wearing shoes.