Arena - Season 4 / Year 1978

Set in the idyllic, beachside hamlet of Dolphin Cove, Return to Paradise is six gripping, twisting and fiendishly clever murder mysteries – all against the spectacular backdrop of the Australian coastal landscape.

Australian ex-pat Mackenzie Clarke is the seemingly golden girl of the London Metropolitan police force – with an intuitive approach to detective work, she has built a reputation for being able to crack the most impossible of cases. However, she's suddenly forced to up sticks and move back to her childhood home of Dolphin Cove, a beautiful, coastal paradise… and Mackenzie's worst nightmare.

Greg Davies is the Taskmaster who, with the help of his right-hand man, Alex, sets out to test the wiles, wit and wisdom of five hyper competitive comedians through a series of ingenious challenges. With the chance to be crowned show champion, rivalry amongst the comedians is encouraged, dodgy tactics rewarded and bribes accepted.

On Last Week Tonight with John Oliver, John Oliver presents a satirical look at the week in news, politics and current events.

The border between the USA and Mexico is the busiest in the world. This series follows the work of America's Customs and Border Protection agency, whose job is to defend the border and stop terrorists, drugs and illegal weapons from entering the country.

History's Greatest Mysteries will investigate a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Each program within the franchise will showcase fresh, new evidence and perspectives including never-before-released documents to the general public, personal diaries and DNA evidence to unearth brand-new information about these infamous and enigmatic chapters in history.