This hard-hitting and in-depth special examines the medications Hitler was taking, how much he took and how often, and whether drugs played a role in his behavior and actions.

A look behind the scenes as the world's most profitable toy maker opens its biggest ever Lego store, in London. Designer Justin's first ever kit finally hits the shelves, and Lego pro Duncan prepares to make the largest model ever - a replica of Tower Bridge.

More than half of all Lego sales come in the last three months of the year. This documentary goes behind the scenes at the secretive superbrand as it prepares for Christmas.

In 1970, Dana won the Eurovision Song Contest. It was a moment that changed her life. This is an emotional and honest look back at the incredible story of what happened next.

The Great British Sewing Bee’s Patrick Grant goes behind the scenes at the family business creating thousands of bespoke ceremonial uniforms in time for the coronation.