Was Welshman Rhys ap Thomas responsible for the death of Richard III at the Battle of Bosworth in 1485? A tale of betrayal and lust for power emerges in this one-off documentary.

The Oscar-winning movie The King's Speech dramatised George VI's struggle to overcome his stammer. Hear the stirring true story of King George VI's struggle to overcome his stammer, and the parts played in his battle with his disability by his speech therapist Lionel Logue, his brother, father and wife.

In 1955, on the home straight early in the Le Mans 24-Hour race, future British world champion Mike Hawthorn made a rash mistake causing Pierre Levegh's Mercedes 300 SLR to smash into the crowd, killing 83 people and injuring 120 more. It remains the worst disaster in motor racing history and he story was quickly engulfed by conspiracy theory, blame and scandal. Was the uncharacteristically large explosion caused by Mercedes gambling on untried technologies? Have the French authorities been covering up the truth ever since? Or was Hawthorn, who ended up winning the race, simply guilty of reckless driving?

In the 1980s rallying was more popular than Formula 1 and deregulation opened the way for the most exciting cars ever to hit the motorsport scene. For four wild and crazy years, manufacturers scrambled to build ever more powerful cars to be driven by fearless mavericks who could handle the extreme power. The sport was heading out of control and the unregulated mayhem ended abruptly in 1986 after a series of horrific tragedies. This is the story of when fans, ambition, politics and cars collided.

One of the new, eager, racing fanatics leading Britain's charge to the top of the motorsport world was the charismatic, handsome and debonair Mike Hawthorn. Racing for iconic names such as Jaguar and Ferrari, and sporting his trademark bow tie, shock of wavy blonde hair and with his flamboyant driving style, Hawthorn captured the imagination of motorsport fans across the country. As fast as he raced on the track, Hawthorn lived just as fast off it with his social antics becoming the stuff of legend and there was always a woman or two under his arm.

The late, great Graham Hill is the only man to have won the F1 World Championship, Indy 500 and 24 Hours of Le Mans. Those who knew him best recall a sporting legend and bon vivant.

He was the drivers' driver: a two-time F1 world champion revered by his racing rivals. Friends, family and colleagues pay tribute to Jim Clark, whose story had a tragic end in 1968.

The name John Surtees will forever be etched in the annals of Motor Racing. One of the most gifted and versatile racers of all time, he was the first man to win world championships on both two wheels and four, an incredible feat that remains unparalleled today.

Compelling documentary shining a spotlight on Sir Jackie Stewart, one of Britain's all-time greatest sporting personalities - winner of three Formula 1 world championships and 27 Grand Prix, and ranked as one of the ten greatest racing drivers of all time.