Visible crew/equipment: In the opening scene, when Inspector Blake informs Stan and Arthur that the 10:45 bus has arrived, the camera pans over to the door of the bus where another cameraman's shadow can be seen on the side of the bus.
Revealing mistake: When the drunk Olive is standing on the chair lifting her skirt up it's obvious that Michael Robbins the actor who plays Arthur is trying very hard not to laugh.
Revealing mistake: In the first scene of part two Jack and Linda are supposed to be kissing but their lips are not touching.
Visible crew/equipment: At the end of Part One when the camera pans along the side of the bus, you can see the reflection of stage lighting, a television monitor and several other pieces of film equipment in its windows.
Visible crew/equipment: When Stan is lifting Linda up onto the bus' bonnet so she can see into the driver's cab, if you look through the windscreen you can see a crew member behind the bus.
Visible crew/equipment: When Jack uses the screwdriver to adjust the picture quality on the television, a boom mic dips into the shot above him.
A Thin Time - S5-E14
Visible crew/equipment: When Olive notices the wigs that Arthur is sitting on, a large studio light can be seen behind Mum and Olive, reflected in the mirror.
Revealing mistake: When Stan drives the bus into the depot there are two buses parked outside on the right on which the Eastern national logo can be seen instead of Luxton bus company (the name of the bus company in the programme). Eastern national's depot and buses were used for filming.