Other mistake: Whenever the gang are in their clubroom (inside the bus), in some scenes the walls wobble when the door is opened or closed.
Here Come the Double Deckers (1970)
1 other mistake in show generally
Starring: Peter Firth, Brinsley Forde, Gillian Bailey, Michael Audreson
Continuity mistake: Scooper is sitting on the catwalk barrier looking down on the trial, he is sitting in different positions in long shots and in close up shots.