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Series 8

The Great Mull Air Mystery

Steve Punt investigates how Peter Gibbs vanishes into the night on Christmas Eve 1975.

• 28 mins

Series 9

The Suspicious Death of Emile Zola

Steve Punt travels to Paris to investigate the death of celebrated writer Emile Zola.

• 30 mins

Series 9

The Reclusive Skeleton of Fingringhoe

Steve Punt visits rural Essex to explore the disappearance of actress Constance Kent.

• 30 mins

Series 9

There's A Kind of Hum

Steve Punt puts his ear to the ground in a search for the mysterious so-called World Hum.

• 30 mins

Series 10

Lost Nukes

Steve Punt goes in search of missing American and Russian nuclear weapons.

• 30 mins

Series 10

Treasure in the Piano

A hoard of gold coins in a piano. Who put them there, a mystery. Steve Punt investigates.

• 30 mins

Series 10

Missing Priest

Steve Punt investigates the story of the Polish priest who disappeared in Bradford in 1953

• 30 mins

Series 10

Taking the Pissoir?

Why would anyone submit a urinal as a work of art to a gallery, and then lie about it?

• 30 mins