Clown Virus - S5-E2
Visible crew/equipment: In the Goodies' office when Bill is taking the tomato soap out of the giant can, a shadow of the mike can be seen on the wall.
Kung Fu Kapers AKA Ecky-Thump - S5-E7
Revealing mistake: When the pudding flies into Bill's mouth, you can see the wire pulling it.
Kung Fu Kapers AKA Ecky-Thump - S5-E7
Continuity mistake: On the hill in the big international martial arts scene, the bushes behind everyone constantly change colour between shots.
Kung Fu Kapers AKA Ecky-Thump - S5-E7
Revealing mistake: Bill shoots tea at Tim from two kettles, but if you look at Bill's finger, you can see the trigger for the spray gun shooting the tea.
Kung Fu Kapers AKA Ecky-Thump - S5-E7
Audio problem: When Graham says "Struth", his lips don't move at all.
Lighthouse Keeping Loonies AKA The Lighthouse Men - S5-E8
Factual error: The "oil" that spurts up from underground is far too thin to be oil.
South Africa AKA South African Adventure AKA Apartheight - S5-E11
Continuity mistake: Bill falls into the swimming pool. There are no signs nearby. when we see a close up of Bill, when the camera goes up, it shows the policemen next to a sign.
South Africa AKA South African Adventure AKA Apartheight - S5-E11
Revealing mistake: When the two guards throw Bill over the gate the dummy doubling for Bill isn't very lifelike.
South Africa AKA South African Adventure AKA Apartheight - S5-E11
Factual error: In the South African street scenes all the vehicles seen have British number plates.
The End AKA Encased in Concrete - S5-E13
Plot hole: The Goodies office is encased with concrete. The Goodies survive for over 75 years. How did they get enough air to survive all that time?