E1 - The Rajah's Ruby

Aired: June 27, 1977

It's 1925, and a daring thief makes off with a precious gemstone.

E2 - Village Fate

Aired: July 04, 1977

Rehearsals for a murder mystery play turn sinister when one of the actors is poisoned for real.

E3 - No Happy Returns

Aired: July 11, 1977

Seventieth birthday celebrations for a bad-tempered Chairman of the Board end with a bang!

E4 - The Q43 Experiment

Aired: July 18, 1977

A top British scientist is gunned down as he works in his laboratory.

E5 - Last Tango in Tooting

Aired: July 25, 1977

It's the finals of the Banworth Chemical Works dance competition and there's murder on the dancefloor.