Four children and four parents swap life in Britain for three weeks in Japan, being taught the traditional martial art of karate. The families are thrown into Japanese life. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the traditional martial art of karate. The families travel to Okinawa, home of karate. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the martial art of karate. The families learn to break blocks of wood with their fists. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the martial art of karate. The Grand Master gives the exhausted families a day off. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the traditional martial art of karate. The families arrive in Kyoto City. Show more

Four children and four parents swap life in Britain for three weeks in Japan. The families are sent to the oldest village in the world to learn more about discipline and respect. Show more

Idris and the coaches meet their Fight School intake. As the group are put through a rigorous fitness assessment, there are immediate concerns about some of the students. Show more

Motoring fans retrace the steps of British racing legends. Patrick Stewart tells the story of Stirling Moss's glittering race career from Florence to Silverstone. Show more

Motoring enthusiasts tell the story of Britain's racing legends. Chris Hoy retraces Colin McRae's career accompanied by Jimmy McRae, ending with a race on the RAC rally. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the martial art of karate. The day of the World Karate Tournament arrives. Show more

Four children and four parents swap life in Britain for three weeks in Japan, being taught the martial art of karate. The pressure is on as the group faces the belt grading. Show more

Dragons' Den star Peter Jones meets two of the country's most successful entrepreneurs, Richard Reed and Michelle Mone, to get into the DNA of what made them millionaires. Show more

Actor Idris Elba charts the origins and history of the underground racing scene in the USA and examines how a love of speed has shaped the cars of today. Show more

Continuing his exploration of how cars and culture have been influenced by speed, Idris learns about the technology and skill involved in driving at a professional level. Show more

Britain's top entrepreneurs reveal how they made their millions. Peter talks to Lord Karan Bilimoria, boss of Cobra beer, and Charlie Mullins, who runs Pimlico Plumbers. Show more

A look at the highs and lows experienced by the many entrepreneurs who have entered the Den, examining the ingredients required for a successful pitch. Show more

The Dragons share their expertise on the art of negotiation. Plus a look back at which Den entrepreneur delivered the masterclass in negotiation. Show more

The Dragons share their thoughts about how the strength of an idea is the key to unlocking cash in the Den. With a look at eccentric inventor Mark Champkins, from 2007. Show more

The Dragons revisit some of the businesses they have invested in, including a caravan sleeping bag, and share expertise on creating a successful business plan. Show more

Four children and four parents are taught karate in Japan. It is the moment of truth: who will earn their belt grading and perform at the World Karate Tournament in Okinawa? Show more