E1 - A Piece of Cake (Christmas Special)

Aired: December 26, 1974

A man who recently inherited a fortune drops dead in the middle of his speech after the annual family dinner on Christmas Eve. There are six suspects - but which has the strongest motive? The sleuths are Wendy Craig, Leslie Crowther, Patrick Mower and Derek Nimmo.

E2 - Portrait in Black

Aired: July 14, 1975

Actor Norman Bowler and novelist Jackie Collins join regulars Anouska Hempel and Patrick Mower to follow another sprinkling of clues. As always, there are more than a few red herrings.

E3 - Final Drive

Aired: July 21, 1975

Many crimes are solved by pure deduction - or a process of elimination. Aimi MacDonald and Alfred Marks are the guest stars pitting their wits against the audience to solve another murder mystery.

E4 - Pop Goes the Weasel

Aired: July 28, 1975

A row is brewing within a famous pop group the Weasels. But before the showdown ensues, one of the group is murdered on stage. Guest stars are Paula Wilcox and Richard O'Sullivan.

E5 - Evidence of Death

Aired: August 04, 1975

A murder is committed in a research lab and the only clues are a ring and a matchbox. Scientist Magnus Pyke and actress Polly James put their heads together to try and solve another mystery in which nothing is quite as it might at first seem.

E6 - Nothing to Declare

Aired: August 11, 1975

How did a suitcase of clothes become a suitcase of rubies?

E7 - Death at the Top

Aired: August 18, 1975

The chairman of the board has been murdered. Whodunnit? And how?

E8 - Too Many Cooks

Aired: August 25, 1975

The chilling tale of the frozen chef. Who froze him and why? The CIA, MI5 and French security services are the principal ingredients in this mixture of freshly cooked spies. Getting their teeth into the clues are Rodney Bewes and Julie Edge.

E9 - Worth Dying For

Aired: September 01, 1975

Terry Scott and Dilys Laye join the panel to puzzle out a cleverly planned shooting. The gun is found but all is not as it appears - and the main red herring could be a dead rat.

E10 - Fly Me, I'm Dead

Aired: September 08, 1975

Another mystery to test the sleuthing talents of viewers and panelists including guests Honor Blackman and Leslie Crowther. This time it's a murder at 30,000 feet over France.

E11 - Beware Wet Paint

Aired: September 15, 1975

The managing director is dead but how did his body get across a freshly painted floor? Guests include Rosemary Leech and Jimmy Jewel.