A research team from an electronics company move into an old Victorian house to start work on finding a new recording medium. When team member Jill Greeley witnesses a ghost, team director Peter Brock decides not only to analyse the apparition, which he believes is a psychic impression trapped in a stone wall (dubbed a “stone tape”), but to exorcise it too – with terrifying results…

What makes Agatha Christie such a successful writer? On the 75th anniversary of the creation of her immortal character Miss Marple, this documentary introduces viewers to new fields of scientific inquiry using sophisticated computer analyses of Christie’s every written word, her sentence structure, story arcs, poisons used, red herrings, clues and more. From British Pathé TV’s Arts Collection.

A team of experts analyse the case of Melissa Caddick and question where she could have gone after she disappeared, taking with her millions of dollars that she had swindled from her friends and family.

A 70-minute sequel to The Great Deception. In this work, Zwicker contends that fear was used to control the public after 9/11, and states that the “War on Terrorism” is a public control mechanism. He also analyses the military breakdown on 9/11 and claims that the president and his aides acted entirely inappropriately that day. Throughout, mainstream media is accused of being either compliant or complicit with a cover-up.

When strangers Jim, Eva, Emily and Mo meet William online in his new ‘Chelsea Teens!’ chatroom, they’re completely seduced by his fast-talking, charismatic character. But beneath the surface lies a much darker truth. William is a dangerous loner, channeling all his energies into cyberspace. He’s become an analyser, a calculating manipulator who finds it almost impossible to interact normallywith others in the real world, instead turning his hand to manipulating people online. When the timid Jim opens up to William, it sparks a fascination that quickly turns into a dark downward spiral, with the twisted antagonist coercing the rest of the group to become pawns in his deadly game. As the cat-and-mouse situation escalates to devastating heights, can William’s anti-social networking be brought to an end?

Evolutionary biologist Professor Armand Leroi believes data science can transform the pop world. He gathers a team of scientists and researchers to analyse over 50 years of UK chart music. Can algorithms find the secret to pop success? When the results are in, Armand teams up with hit producer Trevor Horn. Using machine-learning techniques, Armand and Trevor try to take a song by unsigned artist Nike Jemiyo and turn it into a potential chart-topper.