June 25, 1973 • 40m
The case this week involves a creaking door, a murder and a phial of poison.
July 2, 1973 • 40m
This week's episode features a ghostly house on a remote Scottish island and a death amongst the week-end guests.
July 9, 1973 • 40m
This edition features the murder of a model during a fashion show.
July 16, 1973 • 40m
The managing director of a plastics firm if found dead at the foot of a three storey building.
July 23, 1973 • 40m
This week's case involves identical twins.
July 30, 1973 • 40m
This episode features a murder that takes place just as the last few minutes of 1899 go by.