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'That would be my freedom, that would be my escape'

John Büültjens' BMX bike helped free him from the scars of a traumatic childhood

• 40 mins

‘I have to stop it’: The hero of the Club Q shooting

US veteran Richard Fierro faced his biggest test when a shooter threatened his family

• 40 mins

A footballing legend's secret addiction

How Steph Shilton saved husband Peter from a 45-year gambling addiction

• 26 mins

I ran with the men, and changed history

Kathrine Switzer was attacked for running in the men-only 1967 Boston Marathon

• 40 mins

The Nigerian farmer who sued an oil giant

Eric Barizaa Dooh took Shell to court over pollution in a case that stunned the world

• 40 mins

Legends and lies: The perilous life of an undercover cop

Creating convincing characters was a survival skill Liam Thomas learned as a little boy

• 40 mins

Grandma at the Grammys: From seamstress to singing star at 80

Abuela Irma Silva’s folksong duets with her grandson Jorge led to unexpected success

• 40 mins

Delia Ephron: ‘I fell into my own romantic comedy’

How writer Delia Ephron found herself in a love story like her hit film You’ve Got Mail

• 26 mins

The spy who wanted to bring down apartheid, part 1

Sue Dobson was a white South African who risked her life as an ANC secret agent

• 40 mins

The spy who wanted to bring down apartheid, part 2

ANC spy Sue Dobson infiltrated the South African government. Then her cover was blown.

• 40 mins

The cassette tapes that let me hear my abducted parents' voices

Paula Mónaco Felipe was days old when her parents were taken by the Argentine military

• 40 mins

My fight to sail around the world at 14

Dutch sailor Laura Dekker and the legal battle and media storm that surrounded her voyage

• 40 mins

The Cuban dad who became a lifeline for Chernobyl's children

Manuel Barriuso was a medical translator in an historic humanitarian operation

• 26 mins

A dad’s loss and a son’s vision – our LA riots film

How Justin convinced his dad to act again and capture a Korean story of the LA riots

• 40 mins

The Biospherians: Why we were sealed in a giant dome

Biosphere 2 was one of the most controversial human experiments of the 20th century

• 40 mins

Intergenerational: Two stories of heritage lost and found

A playwright in search of the truth about his father; and a musician’s lockdown discovery

• 40 mins

Gangs, raids and a mum undercover: The search for my daughter

Susana Trimarco infiltrated Argentina’s sexual slavery rings to look for Marita Verón

• 40 mins

The master of disaster

What Randall Bell learned about trauma from the world’s most infamous crime scenes

• 26 mins

The Black pioneers of modern emergency medicine

John Moon joined a team of paramedics in the 60s who revolutionised the ambulance service

• 40 mins

Revolution in a test tube: Inventing the home pregnancy test

In 1960s New York, Meg Crane fought for a pregnancy test women could do themselves

• 40 mins

The 'hyperactive listener' capturing the world around him

Andy Slater lost his sight in childhood and is now an award-winning sound artist

• 40 mins

I had a baby while leading the resistance from the mountains

Cecilia Oebanda was once famous as Commander Liway, a rebel leader in 1970s Philippines

• 40 mins

The medical textbook that inspired me to flee my homeland

Waheed Arian left war-torn Afghanistan to pursue his dream of becoming a doctor.

• 26 mins

Lola the bare-knuckle drag queen

Martial arts kept him out of jail, but drag artistry made him whole

• 40 mins

Trinidad’s family-tree detective, and his Indian quest

Shamshu Deen has helped thousands trace their roots and reunite with distant relatives

• 40 mins

Hidden kingdom: My battle to save the world’s largest cave

When Vietnam’s spectacular Son Doong cave came under threat, Huong Le knew she had to act

• 40 mins

You must touch the art! Telling my story in dots

Age six Clarke Reynolds dreamt of his own exhibition. 35 years later it came true

• 40 mins

Grandma at the Grammys: From seamstress to singer at 80

Abuela Irma Silva’s folksong duets with her grandson Jorge led to unexpected success

• 26 mins

Sugar sandwiches and smarts: a poor kid's fairytale ending

Raised by addicts, Dr Katriona O'Sullivan defied the odds to become a university lecturer

• 40 mins

From small-town America to playing in the UK's Premier League

Aged 22, Jay DeMerit moved to the UK to try to make it as a professional footballer

• 40 mins