Michael is in Milwaukee, located on Lake Michigan and home of the Harley-Davidson.
As Frank gets close to realising his dream, his old injuries return to haunt him.
Andy Day explains about the favourite meals of meerkats, raccoons and capuchin monkeys.
A thoughtful and intimate portrait of self-confessed rock chick, Chrissie Hynde.
Going beyond the cliches to discover if it's always been different for the girl in a band.
It's the biggest day in the street's calendar: the Christmas lights switch-on.
William Dalrymple reveals an affair between a British officer and a Mughal princess.
Behind-the-scenes look at what it takes to play rugby for the Wales women's rugby squad.
Jonnie Irwin revisits a couple he helped on their property search in Sussex.
In Tomah, Wisconsin, Michael helps harvest cranberries, an important crop for the US.
Katya Adler asks whether the EU can survive the biggest challenge in its history.
Andy Day looks at how seal pups, leopard cubs and gobi fish learn to explore.
Lucy debunks the fibs that surround India, the 'jewel in the crown' of the British Empire.
Dan and Dunya go down an Oxford Street sewer in search of a fatberg.
A look at the degree of voluntary support ordinary Germans gave the infamous Gestapo.
The exhausted recruits are put through their paces by a former lieutenant of Polish GROM.
A touching documentary in which 12-year-old Rory explores his Tourette's.
Stacey moves into an African hunting lodge to train with die-hard trophy hunters.
Islands are wildlife sanctuaries, but surviving in isolation comes with extreme challenges
An intimate insight into who and what people love.
Jonnie Irwin heads to North Yorkshire to be reunited with his former house hunters.
Jules Hudson catches up with house hunters who relocated to Herefordshire.
Nicki Chapman visits Cornwall to be reunited with a teacher and a retired couple.
The remarkable story of the founding of the SAS in the north African desert in 1941.
Investigation into how criminals are flouting the law to trade in this endangered species.
Michael Scott investigates the arrival of the Muslim Arabs and then the Normans in Sicily.
Michael visits the home of Laura Ingalls Wilder, author of Little House on the Prairie.
Michael learns about an epic poem featuring American Indian characters.
Michael visits the Twin Cities of Minneapolis-St Paul, built around the Mississippi River.
Documentary following Junior Bake Off winner Nikki during the summer of 2016.
This episode looks at pioneering treatments for some of the oldest and youngest patients.
Can Steve Elias pull off the biggest performance of his career?
The Bishop and The National Trust are visiting the desolate island of Sombrero.
Pigeon lofts - places of sporting achievement, scientific endeavour and male obsession.
Ruth Gordon heads to Polperro for some knitting tips.
Exploring the relationship between Northern Ireland and Scotland.