The Secret DNA of Us (TV Series 2025– ) 2025

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

Genre: Documentary

Cast:Marc Fennell , Rae Johnston , Brad Argent

1Season 1

The Secret DNA of Us: Series 1 (2025): Episode 1 - Bairnsdale

April 17, 2025

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

2Season 1

The Secret DNA of Us: Series 1 (2025): Episode 2 - Surry Hills

April 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.

3Season 1

The Secret DNA of Us: Series 1 (2025): Episode 3 - Geelong

May 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.

4Season 1

The Secret DNA of Us: Series 1 (2025): Episode 4 - Bathurst

May 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.