U and Dave ja vu

James May reveals what we need to know about Albert Einstein, his theories, and just what happened to the famous physicist's brain.

James cranks open our craniums to find out about behaviour, memory, and much, much more from over 100 billion whizzing neurons.

Cocaine is found hidden inside the wall of a refrigerated truck, and a Honduran immigrant fleeing gang violence applies for asylum in the US.

A shipment of meth disguised as concrete is intercepted, and officers interview a Haitian immigrant who has crossed nine countries on foot to reach America.

The speedster tries to break the world speed record for a hovercraft, but hovercrafts are notoriously unstable at speed and Guy is out of his comfort zone on water.

Rick Stein visits Vienna, the city that is home to comfort dishes like tafelspitz and goulash and gave its name to the wiener schnitzel.

A shipment of cocaine is discovered in the fifth wheel of a tractor-trailer, and officers searching a courier van find a cache of firearms.

Officers in Eagle Pass seize over 15 kilograms of heroin and unveil a new cartel drug-smuggling tactic, and a Mexican family in Laredo makes a plea for humanitarian parole.

Sue Perkins and Liza Tarbuck have to dodge unexploded bombs as they tackle the Ho Chi Minh Trail, a mazy network of dangerous roads through Laos and Vietnam.

The auto-enthusiast's favourite show returns with more motoring hijinks - this time, Richard and James attempt to build a working space shuttle out of a Robin Reliant.

Motoring news and views with Clarkson and co. The chaps get their hands on some seriously big tractors, and actor Kristin Scott Thomas is the Star in a Reasonably Priced Car.

More cracking chicken and egg recipes as Si and Dave explore the origins of one of the world's favourite fast foods - southern fried chicken.

Rick Stein visits Vienna, the city that is home to comfort dishes like tafelspitz and goulash and gave its name to the wiener schnitzel.

Team captains David Mitchell and Lee Mack are joined by space scientist Maggie Aderin-Pocock, comedian Phil Wang, actor Jason Watkins and EastEnders star Adam Woodyatt.

Sian Gibson, Jean Johansson, Iain Stirling and Rav Wilding make another trip into the Thursday Murder Club creator's quizzing den and try to earn glory this time around.

Former winners Tim Key, Jamie Laing, Sunetra Sarker and Laura Whitmore join the Pointless friend to see which of them will become a Champion of Champions.

Learned comedy panel show where guests are rewarded for interesting answers. Stephen Fry glances at genius with Graham Norton, David Mitchell, Dara O Briain and Alan Davies.

Guest host Jennifer Saunders and panellists Matt Forde and Ayesha Hazarika join team captains Paul Merton and Ian Hislop.