Questions are raised about the search for intelligent life beyond the Earth, with UFOs and other close encounters refuted in favor of communications through SETI and radio telescope such as the Arecibo Observatory. The probability of technically advanced civilizations existing elsewhere in the Milky Way is interpreted using the Drake equation and a future hypothetical Encyclopedia Galactica is discussed as a repository of information about other worlds in the galaxy. The Cosmos Update notes that there have been fewer sightings of UFOs and more stories of abductions, while mentioning the META scanning the skies for signals.

Andrew Graham-Dixon continues his exploration of German art by looking at the tumultuous 19th and early 20th centuries, and how artists were at the forefront of Germany's drive to become a single nation. Andrew travels to the north and the coastal town of Griefswald, the birthplace of Caspar David Friedrich, the most influential of the German Romantics, to discover how the Baltic coast impacted his mysterious paintings of the German landscape. He also visits Berlin and explores the art of the powerful Prussian state, which would spearhead the unification of Germany in 1871. The episode ends with the outbreak of World War I and the attempts of the artists Franz Marc and Otto Dix to rationalise the catastrophic experiences of the world's first technological war, a war driven by the Prussian innovations.

Set against the backdrop of the 1980s music scene, this documentary charts the meteoric rise, fall and ultimate reunion of pop sensation Spandau Ballett, told by the band members themselves with unseen archive footage that will thrill the many fans and beyond.

From steamy jungles to dry deserts, amphibians have taken their first footsteps onto land using their bizarre life histories to break their ties with the water and invade the earth.
This episode delves into the extraordinary and intimate lives of the soft skinned amphibians. This includes the marsupial frogs, a peculiar species where the father carries his young in pouches and then gives birth. It also features warring giant salamanders over a metre long and show-off newts that offer displays just like underwater birds of paradise.

Cooking shows turned the humble garlic bulb into something that's essential to cuisines and into a multi-billion-dollar crop. Every year, humans consume nearly 50 billion pounds of garlic, and most of it comes from one country: China. But a lawsuit raises troubling questions about suppliers.

This award-winning series, Private Life of a Masterpiece, reveals the full and fascinating stories behind famous works of art, not just how they came to be created, but also how they influenced others and came to have a life of their own in the modern world. The works of art featured here are both instantly familiar and profoundly mysterious. Revolutionary in their conception, and iconic years after their execution, they each have their own compelling stories. For behind the beautiful canvases and sculptures are tales of political revolution, wartime escapes, massive ego clashes, social scandal, financial wrangling and shocking violence. In this fascinating series key works of art are investigated and the intricate details of their lives revealed - the history, contemporary reactions, and legacies of each are illustrated.
A Sunday Afternoon on the Island of La Grande Jatte is a popular masterpiece and yet an enduring enigma. It seems to show a quiet scene in a Paris park but there are hints at the demi-monde, if you know where to look. The most remarkable aspect of this vast canvas however remains Seurat's technique his revolutionary pointillism.