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The stars of a 1970s sci-fi show -- now scraping a living through re-runs and sci-fi conventions are beamed aboard an alien spacecraft. Believing the cast's heroic on-screen dramas are historical documents of real-life adventures, the band of aliens turns to the ailing celebrities for help in their quest to overcome the oppressive regime in their solar system.

Time lapse footage taken from 2,000m down captures eels, crabs and isopods.

In the archipelago of Svalbard in the Arctic Circle, the ecosystem is driven by the producers at the bottom of the food chain.

Mammals have mastered every environment on Earth, but today the planet is changing rapidly, thanks to one mammal in particular; as humans reshape the planet, mammals must change with it and find surprising ways to survive this new wild.

Meet the people that made filming Kingdom possible and uncover the extraordinary acts of conservationists and anti-poaching teams protecting South Luangwa and all its inhabitants.

Four rival families leopards, hyena, wild dogs and lions all trying to claim a rich corner of Zambian paradise as their home; who will succeed in ruling this precious kingdom?

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyena and wild dogs fight to raise their young.

Leopard Olimba finds a mate, but fortunes turn against the lions. Extreme flooding leads to disaster for the hyena clan, and the time has come for leopard Mutima to leave.

Injured wild dog Flint helps care for Storm's largest ever litter of pups. Leopard Mutima searches far and wide for a home, and the lions are challenged by forces beyond their control.

The final chapter... Olimba struggles with old age and the wild dog story takes an unexpected turn. Both lions and hyenas enjoy a baby boom - but who has the power to rule?

In Africa's rainforest, animals find ingenious ways to make a life in a claustrophobic, dangerous landscape.

Mel Gibson portrays Benjamin Martin, an unassuming man who is forced to join the American Revolution when the British threaten to take his farm away from him. Together with his patriotic son, Gabriel, the pair faces the vicious Redcoats with a heroism that reflects the stubborn pride of a young country's most dedicated supporters.

When the mystical Russell Nash (Christopher Lambert) kills a man in a sword fight in a New York City parking lot, he leaves a sliver of an ancient weapon lodged in a car in the process. After brilliant forensics specialist Brenda Wyatt (Roxanne Hart) recovers evidence of the mysterious weapon, she and her partner, Lt. Frank Moran (Alan North), embark on an investigation Of Nash that will land them

Peasant-born William Thatcher (Heath Ledger) begins a quest to change his stars, win the heart of an exceedingly fair maiden (Shanynn Sossamon) and rock his medieval world. With the help of friends (Mark Addy, Paul Bettany, Alan Tudyk), he faces the ultimate test of medieval gallantry -- tournament jousting -- and tries to discover if he has the mettle to become a legend.

When the mystical Russell Nash (Christopher Lambert) kills a man in a sword fight in a New York City parking lot, he leaves a sliver of an ancient weapon lodged in a car in the process. After brilliant forensics specialist Brenda Wyatt (Roxanne Hart) recovers evidence of the mysterious weapon, she and her partner, Lt. Frank Moran (Alan North), embark on an investigation Of Nash that will land them