The five remaining young geniuses must conquer two mind-bending rounds - advanced logic and world history as they advance to the $100,000 college fund prize.
1 week left, Entertainment
First aired: Monday 3rd April 9:00pm
Available for 1 month
Run time: 1 hour
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Stories of hospital ships and those who served on them, including the tragic story of the sinking of the Titanic's sister vessel, The Britannic.
Comedians Dave Spikey, Ellie Taylor and Des Clarke present a compilation of internet videos featuring monkeys doing bizarre things. Pet behaviourist Peter Neville is on hand to add a bit of science to the mix.
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Action from day two of the annual event, which this year comes from Hong Kong Velodrome.
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The Chorley Grand Prix. Action from event staged in Lancashire, the third round of the Spring Cup.
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Four bladesmiths must use high carbon steel to forge a hatchet, and the surviving two have five days to create an ancient Indian weapon used to stab and slice.
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The 6 Hours of Silverstone. Highlights of the opening round of the season.
FIA World Endurance Championship