Air date: 1977-05-08

Runtime: 47 min

Travelling salesman Hopjoy has disappeared — to the relief of many husbands, the rage of innumerable creditors, and the alarm of two mystery men from London, who know him as a spy. Is he dead? Purbright investigates.

Air date: 1977-05-15

Runtime: 50 min

After solving the mystery of the missing Hopjoy, Purbright turns his attention to a 'lonely hearts' killer, whose next victim might be the fragile-seeming Miss Teatime. But she's deceptive.

Air date: 1977-05-22

Runtime: 50 min

Miss Teatime and her mysterious suitor both get an unexpected comeuppance, but will the former escape being murdered? As Purbright appreciatively notices, she's tougher than she looks.

Air date: 1977-05-29

Runtime: 48 min

Several otherwise reputable sexagenarian Flaxborough men seem to be under the influence of a potent aphrodisiac in a series of assaults on local women.

Air date: 1977-06-05

Runtime: 49 min

Purbright traces the drug affecting the male senior citizens in Flaxborough to either a herb supplement or an experimental prescription drug.

Air date: 1977-06-12

Runtime: 48 min

After the death of Harold Carobleat, his wife Helen is shocked to find that he's left his estate to a neighbour who is subsequently found electrocuted.

Air date: 1977-06-19

Runtime: 51 min

When a third member of the quintet of prominent citizens is murdered, Purbright uncovers the covert prostitution ring behind them.