British Broadcasting Corporation.

Story no. 128. "When the White Guardian appears uttering a cryptic warning of imminent danger--'The winner takes all'--the doctor is puzzled. Then the Tardis materializes on a pseudo-Edwardian sailing ship in the middle of a space race run by the mind-reading Eternals. The first prize? Enlightenment--ultimate wisdom to gain one's heart's desire. But as the Black Guardian's evil mesh draws tight, it looks as though the Doctor may not live to cross...

Story no. 126. "Turlough may look like a normal pupil at a boys' boarding school, but he's actually an alien from another planet. And when the menacing Black Guardian asks him to kill the Doctor in return for a trip home, the boy quickly agrees. By coincidence, Turlough's maths teacher is an old friend of the Time Lord's. But why doesn't the Brigadier remember that? The Doctor, along with his friends Tegan and Nyssa, is about to find out."

Childhood sweethearts Alan and Celia, both widowed and in their 70s, fall for each other all over again when they are reunited on the internet after nearly 60 years. Their relationship is a celebratory tale of the power of love at any age. But this is also a story about family, and with family comes baggage. Celia's respectable, head teacher daughter Caroline is juggling bringing up two boys and dealing with her husband's infidelity, while Alan's...

The Eleventh Doctor returns in thirteen blockbuster episodes plus two specials, each a brand new epic adventure with new monsters and familiar foes like never seen before. The first part of this series sees the Ponds in their final voyage with The Doctor. And the final eight episodes see The Doctor and his new companion battle monsters on distant alien planets.

Discover exciting new insights as historian Neil Oliver digs for clues. Travel to archaeological sites in Norway, Sweden and Denmark, where Norsemen launch expeditions and raids. Watch in amazement as the warriors settle Britain, Iceland and Greenland and transform themselves from illiterate pagans into Christian farmers, statesmen and kings; all in less than 200 years.

Meet handsome Archie MacDonald, a reluctant young Scottish laird torn between his trendy London life and the call of his wild Highland ancestry. Tricked into returning to Scotland by his eccentric father and dotty mother, Archie discovers he is now the Laird of the decaying family estate, Glenbogle.

Plants live secret, unseen lives. They are capable of forming mutually beneficial relationships with animals. But they can also be as aggressive, competitive, and dramatic as any living thing on our planet. Using specialist cameras, this spectacular series allows us to travel beyond the power of the human eye, to look closer at their interconnected world. Each episode introduces a set of plants, reveals the battles they face, and the ingenious ways...

The blunt-talking, politically incorrect Andy Dalziel once again pairs up with his younger, fast-tracked sidekick, Peter Pascoe, for a crime-solving marriage of opportunities. Season eleven sees the endearing duo investigate more difficult cases including the 20-year-old murder of a woman whose mummified remains emerge from the water during a cave rescue operation, an inquiry which rocks their world to its core.

In 1991 an extraordinary item was put up for auction. To the untrained eye, it was nothing more than a small Byzantine prayer book, yet it sold for over $2 million. Twenty-two centuries after Archimedes wrote his most revealing mathematical work, "Infinite Secrets" reports the story of the manuscript's amazing discovery and how modern technology is being used to read its startling contents. A scribe in the 13th century had incompletely erased a 10th-century...

Sixty-six million years ago, a gigantic asteroid slammed into Earth, wiping out the dinosaurs. There's strong evidence of the asteroid impact, but no fossils of a dinosaur killed in the event have ever been found. Now, at a dig site in North Dakota, scientists have uncovered a wealth of fossilized creatures that could reveal a more detailed picture of the devastating day the asteroid hit. Following a trail of remarkably well-preserved fossils, including...