TV Guide BBC Four Tuesday

Documentary exploring how animals all over the world rise to the challenge of surviving the winter. While some creatures face an up-hill struggle to survive, a colder climate plays to the advantage of others, who quickly set about making use of inventive means to seize the huge opportunities the season brings. Caribou become 'ice road' travellers as the ground under-foot becomes slippery, and stoats build their own fur beds, snow monkeys set about finding warm baths, and even Emperor penguins - who are built to face extreme low temperatures - find their own way to endure the world's most savage winter conditions. Narrated by Andrew Scott

Documentary following scientists conducting research into weather on other planets, using unmanned spacecraft to study the solar system and the latest telescopes to examine distant worlds. Their findings have revealed strange phenomena including rains of precious stones, supersonic winds, storms that encompass entire worlds, and temperatures so hot that the clouds are formed of lava

Alexander Armstrong is joined by Dr Michael Scott to explore the underground treasures that made Rome the powerhouse of the ancient world. Using 3D scanning technology, he uncovers the lost subterranean world of the Colosseum, as well as the aqueducts and sewers that supplied and cleansed it, and helped run civilisation's first metropolis and its empire

Historian Sam Willis explores the golden age of piracy during the early 18th century, when Captain Kidd, Blackbeard, Calico Jack and others were in operation on the high seas. He charts the devastating impact they had during an era of colonial expansion and how they became the most wanted outlaws in the world by plundering the vast network of maritime trade, they became the most wanted outlaws in the world