The Secret DNA of Us

Discover Australia's hidden history with Marc Fennell and his team through ground-breaking mass DNA testing across four Australian towns.

Documentary

Seasons

1. Bairnsdale

Air Date: 2025-04-17

Marc Fennell and his team uncover family secrets and life changing connections through mass DNA testing in the Victorian town of Bairnsdale.

2. Surry Hills

Air Date: 2025-04-24

Join Marc Fennell and his team in the eclectic Sydney suburb of Surry Hills, where they tell two strangers, Tim and Narelle, how they’re related, give local Donna a family legacy to cherish, and show Sasha previously sealed documents while revealing the people of Surry Hills share more in common than they realise.

3. Geelong

Air Date: 2025-05-01

Join Marc in the Victorian town of Geelong, as Sharon learns of a royal connection and Michael gets answers to his family’s journey to Australia, while the town discovers bonds formed by its manufacturing history, remain strong.

4. Bathurst

Air Date: 2025-05-08

This week, Marc and his team unravel the DNA of Bathurst, Australia’s first inland settlement after European colonisation. A regional and agricultural hub just three hours west of Sydney, Bathurst is famous for its annual car race, but it’s so much more.

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