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From athletes and actors to tattoo artists, social workers and musicians - a diverse mix of teams will need to utilize their street smarts and savvy know-how to compete in the race of their lifetime.

Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit History series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?

With the most powerful clients in Europe, MobLand will see family fortunes and reputations at risk, odd alliances unfold, and betrayal around every corner; and while the family might be London's most elite fixers today, the nature of their business means there is no guarantee what's in store tomorrow.

MobLand follows two generations of gangsters, the businesses they run, the complex relationships they weave and the man they call upon to fix their problem.

It's the deadliest job on earth: crab fishing off the Alaskan coast on the icy Bering Sea. These adventurers will battle Arctic weather, brutal waves, and a ticking clock for big money in this modern-day gold rush from which they may never return.

Big Brother follows a group of people living together in a house outfitted with dozens of high-definition cameras and microphones recording their every move, 24 hours a day. Each week, the Houseguests will vote someone out of the house. At the end, the last remaining Houseguest will receive the grand prize of $500,000.