Agatha Christie: Lucy Worsley on the Mystery Queen

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

The series looks at how Hitler and the Nazis seized power in Germany and ushered in the death of democracy.

In this new series Rick Stein reveals the Cornwall that he knows and loves: a unique part of the British isles with a strong sense of identity and a history rooted in its Celtic past. With his famous natural inquisitiveness, Rick shares the road less travelled – championing the food, history, music, art and culture of the county many locals argue should be a country in its own right.

A look at some of the most extraordinary hotels around the world.

Tom helps eight families change their eating habits for goods.

This fast-paced and stunt-filled motor show tests whether cars, both mundane and extraordinary, live up to their manufacturers' claims. The long-running show travels to locations around the world, performing extreme stunts and challenges to see what the featured cars are capable of doing. The current hosts are Paddy Mcguinness, Chris Harris and Andrew "Freddie" Flintoff.