Six Four poster
Where to stream

Six Four

5.620231 seasonTV SeriesDramaCrime

A dark and compelling story of kidnap, corruption, betrayal, and an uncompromising search for the truth when Chris and Michelle O’Neill’s teenage daughter goes missing.

ProducersClare Kerr·Juliette Howell

Where to watch

BritBoxBritBoxBritbox Apple TV Channel Britbox Apple TV Channel BritBox Amazon ChannelBritBox Amazon ChannelSBS On DemandSBS On Demand
Availability shown for Australia · rights vary by country

Seasons & Episodes

E1
Episode 1
Mar 30, 2023 4.0
E2
Episode 2
Mar 30, 2023 4.0
E3
Episode 3
Mar 30, 2023 4.0
E4
Episode 4
Mar 30, 2023 1.0

Cast

KMKevin McKidd
Kevin McKidd
DC Chris O'Neill
VRVinette Robinson
Vinette Robinson
Michelle O'Neill
RCRichard Coyle
Richard Coyle
Robert Wallace
JCJames Cosmo
James Cosmo
Jim Mackie
IAIona Anderson
Iona Anderson
Annabel Wallace
AWAndrew Whipp
Andrew Whipp
Philip O'Neill
BMBrian McCardie
Brian McCardie
Bill Martin
NCNalini Chetty
Nalini Chetty
DS Shereen Rahman
SASaskia Ashdown
Saskia Ashdown
Bryony Davis
PH
Peter Hannah
Cameron

More like this

All Her Fault
All Her Fault
2025 · 8.1
Carl Weber's The Family Business
Carl Weber's The Family Business
2018 · 8.5
Vera
Vera
2011 · 7.4
Karen Pirie
Karen Pirie
2022 · 6.9
Burden of Truth
Burden of Truth
2018 · 7.4
Gone
Gone
2018 · 7.2
Shetland
Shetland
2013 · 7.5
Smother
Smother
2021 · 6.5
Rebus
Rebus
2000 · 6.9
The Black Donnellys
The Black Donnellys
2007 · 7.6
Seven Types of Ambiguity
Seven Types of Ambiguity
2017 · 6.1
The Endgame
The Endgame
2022 · 7.4

Six Four — streaming FAQ

Which OTT platform streams Six Four?

Six Four is streaming on BritBox, Britbox Apple TV Channel and SBS On Demand in Australia. It's not currently on Netflix.

Is Six Four on Netflix?

No, Six Four is not on Netflix in Australia as of August 2026. It's currently on BritBox and Britbox Apple TV Channel.

Is Six Four on Amazon Prime Video?

No, Six Four isn't on Amazon Prime Video in Australia right now. It's on BritBox and Britbox Apple TV Channel instead.

Where can I watch Six Four for free?

Six Four is available to stream free (with ads) on SBS On Demand in Australia.

How many seasons are in Six Four?

Six Four has 1 season in total (4 episodes). The series concluded in 2023.

Are all episodes of Six Four out yet?

Yes — all 4 episodes across 1 season of Six Four are out and available to stream.

Is there a Season 2 of Six Four?

No — Six Four ended after 1 season, so there is no Season 2.