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.
Earthanasia AKA The End of the World Show - S7-E6
Visible crew/equipment: When Bill re-enters the room to listen to Tim's sins the boom mike can be seen above Tim.