Gregoire is an ex garage mechanic whose mission in life is to help people in Benin, West Africa, with mental health problems who may otherwise be chained up in the spare room. With family approval he takes patients to his treatment centres, he cuts off their chains allowing them space and giving them help.

Gregoire's story and the attitudes that coalesce around it unfold against a backdrop of traditional healers, Western trained psychiatrists, ethnopsychiatry, Evangelical missionary work, Western attitudes to Africa and African attitudes to the West, and government ministries for whom mental health is a low and cash strapped priority.

Simon Maybin spends time with daters in New York, Delhi and Nairobi trying to understand how dating apps technology is changing the way people find romance across the world.

There’s an American saying: “Anyone can become president.” And in the 2016 election they've been trying to prove it. PJ O’Rourke is on the campaign trail in New Hampshire.

Cassandro is no ordinary Mexican wrestler. He is an exotico - or drag queen - who wears long Liberace gowns, sequins and flamboyant make-up. Over an extraordinary 27-year-career, Cassandro has won two championship belts and pioneered the idea that a Mexican wrestler can be openly gay.

Gabriel Gatehouse returns to Libya in search of Colonel Gaddafi’s golden gun, which was seized by rebels when the dictator was captured and killed more than four years ago.

The road to the White House requires stamina and plenty of money. Economist and US Citizen, Linda Yueh, makes a hypothetical run for Congress in the 5th district of Virgina, to find out why it costs so much money to run for office and the increasing importance of the internet in a campaign. On the way she gathers a campaign team, meets her voters and learns about the importance of pizza in politics.

Mukul Devichand and Mike Wendling travel around the United States, talking to Black Lives Matter activists, the parents of young black men shot by police, civil rights elders like the Rev. Jesse Jackson, and police officials. In an election year that will be crucial to the country’s future, can Black Lives Matter change America?

Lipika Pelham investigates a marriage between two Bengali women, and asks what this extraordinary love story says about attitudes to sexuality in this conservative nation.

Music teacher Francesco Lotoro resurrects the music of Holocaust victims, with the help of the BBC Philharmonic Orchestra. For the past few decades Francesco has been collecting music written in concentration camps from World War Two. Working closely with composer Adam Gorb, together they pick through an archive of 8000 pieces, much of which has never been heard.

As the Sustainable Development Goals replace the Millennium Development Goals in January, Mike Wooldridge asks what are the realistic prospects for eradicating poverty by 2030? Can such strategies really "leave no one behind"?