Tom and Barbara's chimney, having not been swept for some time, sweeps itself and they get covered in soot. As the soot also put the fire out, they go to Margo and Jerry's for a hot bath, but when they get home they realise they've got fleas. Mr Bulstrode (Michael Robbins), the council official who comes round to deal with the fleas, says they came from a dog. Meanwhile, Margo has been asked to become actively involved with the Conservative Party at the next general election. Original Broadcast Date 15th October 1976.