1. All Part of the Service

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. 3 April 1978. 40 min

An apparent suicide is not all that it seems...

2. Which Eye Jack

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. 10 April 1978. 40 min

There's dirty work at an inn on the Cornish coast.

3. Diamonds are Almost Forever

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. 17 April 1978. 40 min

Priceless diamonds vanish from the safe at a police station.

4. Before Your Very Eyes

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. 24 April 1978. 40 min

A murder takes place at the climax of a thrilling illusionist act.

5. A Bad Sign

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. 1 May 1978. 40 min

A fortune teller is murdered but the solution is hardly crystal clear.

6. Adieu Monsieur Chips

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. 8 May 1978. 40 min

A casino director's number has at last come up.

7. A Safe Way to Die

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. 15 May 1978. 40 min

Wages are stolen from a safe -- next to which is lying a dead body!

8. Final Trumpet

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. 22 May 1978. 40 min

The panel grapples with a case involving all the fun of the circus.

9. Instant Coffee

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. 5 June 1978. 40 min

Who has poisoned the ruler of an oil-rich Arab country?

10. Date with Death (aka A Dead Cert)

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. 12 June 1978. 40 min

Murder strikes at a "school for lovers."

11. Underneath the Archers

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. 19 June 1978. 40 min

Murder in a photographic studio keeps the panelists guessing.

12. Which Way Did He Go

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. 26 June 1978. 40 min

What killed Philip Cunning ham -- the cigar, the Scotch, or the cup of tea?