The Secret DNA of Us - Season 1

First aired: 4/17/2025 4 episodes

Episodes

1. Bairnsdale

Aired: 4/17/2025

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

Aired: 4/24/2025

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

Aired: 5/1/2025

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

Aired: 5/8/2025

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.