What's the story?

Child Of Our Time: Turning 20.

A recap, please.

In 1999, a groundbreaking BBC documentary series, co-produced with the Open University and presented by Professor Robert Winston, began following a group of 25 babies in the new millennium.

It has charted their lives from birth, through infancy and childhood, to becoming teenagers and young adults, as well as examining the many factors to have shaped them, analysing the effects of genes and environment on their development.

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This new Horizon special – BBC Two, Wednesday, at 9pm – focuses on three of the participants as they reflect on what it was like growing up as the first generation of 21st-century Britain in an era of remarkable social change.

That's been a quick decade.

It's 20 years actually.

Blimey. This is making me feel old.

Ditto. Back when the first programme aired in 2000, Tony Blair was Prime Minister, Concorde still traversed the skies and the worst ravages of social media were merely a twinkle in the eye of our robot overlords.

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What can we expect?

Our trio – Eve, Jamie and Rhianna – discuss their experiences of school, friendships, family life, teenage rebellion and bereavement, alongside some of the wider issues to have touched their generation, including mental health, sexual identity and the pressure to achieve.