Doctor Who

Matt Smith and Jenna Coleman celebrate the 50th anniversary of the space-travelling Time Lord and take an in-depth look at of one of the most intriguing fictional characters of all time. With the 50th anniversary episode, The Day of the Doctor, about to hit our screens there's a look at all 11 incarnations of the Doctor and their most famous scenes and storylines, an exploration of the many sides to the Doctor and asking what is he really like. Plus, a look at The Doctor's many travelling companions and adversaries over the years and how they all contribute to creating the longest running sci-fi show of all time.

Two years ago, Dr Chris van Tulleken discovered we are taking more prescription drugs than ever before - a billion prescriptions a year in the UK. He worked with a GP surgery to get patients to try drug-free alternatives - with amazing results.

The Doctor, from a race called the Time Lords whose home planet is Gallifrey, travels through time and space in his ship the TARDIS (an acronym for Time and Relative Dimensions In Space) with numerous companions. From time to time he regenerates into a new form (which is how the show has been running since 1963.

British physicist Brian Cox lectures on the nature of time and space, black holes, time dilation and the possibility of time travel a la Doctor Who by using experiments featuring celebrity guests, demonstrations and segments set on board the TARDIS featuring Cox and the Eleventh Doctor.

Smile – In the far future, at the edge of the galaxy, there is a gleaming, perfect city. This brand new human settlement is said to hold the secret of human happiness – but the only smiles the Doctor and Bill can find are on a pile of grinning skulls. Something is alive in the walls, and the emojibots are watching from the shadows, as the Doctor and Bill trying to unravel a terrifying mystery…

Behind-the-scenes stories from the long-running sci-fi drama, revealing how the show was created and why it has stayed so popular for so long. There are tales of stunts that went dangerously wrong and the secrets of how the crew brought the on-screen monsters to life, as well as revelations about how some monsters and storylines created for the series proved to be so scary the BBC were forced to re-edit episodes. Featuring interviews with cast members Sophie Aldred, Nicola Bryant and Frazer Hines, as well as crew including the show's first director Waris Hussein.

The Pyramid at the End of the World – When a 5,000-year-old pyramid appears, literally, overnight, Earth’s military leaders are baffled. But there are far more serious implications for the planet, which soon become apparent…

imagine… follows one of Britain's most celebrated TV writers as he prepares to once again return as the showrunner of Doctor Who. Back in 2005, Davies was responsible for relaunching the action-adventure series after many years away from our TV screens. Few could have imagined the phenomenon it became. And now, in the programme’s sixtieth anniversary year, he's back - with two Doctors and bigger ambitions.