

Derren takes three medical students to the Old Operating Theatre and attempts to cause them to feel and avoid pain, and subliminally influences two creatives from an advertising agency.

At St Pancras Station, Derren attempts to illustrate how it's possible to improve a commuter's memory of a shocking incident. He also shocks a group of models by knowing their favourite chat-up lines.

Derren attempts to influence a visitor trapped alone in an old Victorian cell at the House of Detention, and tries to win with a losing ticket at Walthamstow Dog Track

Derren visits the fairground at Margate and gives the ghost train operator a taste of his own medicine, and is challenged by an ex-SAS soldier in a dangerous lie detection assault course.