The Twelve Season 3: UK Release, Cast, Ending & Cape Rock Killer
If you’ve followed the tense jury‑room drama of The Twelve from the start, you know each season pulls you into a new courtroom with a fresh case. Season 3—also called Cape Rock Killer—is no exception, but this time the crime dates back to 1968. The cold‑case twist brings new layers to the show’s exploration of justice and deception, and for UK viewers there’s a specific date to mark on your calendar.
Australian legal drama created by: Tommy Murphy and Kirsty Fisher ·
Season 3 premiere date: 4 August 2025 (Australia) ·
Season 3 UK streaming date: 31 May 2026 (ITVX) ·
Number of episodes in season 3: 8 ·
Network (Australia): Foxtel
Quick snapshot
- Season 3 premiered in Australia on 4 August 2025 (Rotten Tomatoes (review aggregator)).
- Full box set streams on ITVX from 31 May 2026 (Radio Times (UK TV listings authority)).
- The season has 8 episodes (Wikipedia (community‑edited series page)).
- The case is a reopened 1968 murder (Rotten Tomatoes (review aggregator)).
- Whether there will be a season 4 has not been officially announced as of May 2026.
- The exact identity of the Cape Rock Killer may be ambiguous until the finale.
- Whether Amanda’s murder was staged or not is a plot twist.
- Whether the 1968 murder connects to the present-day killing remains unconfirmed.
- 1968 – Amanda’s murder occurs (Rotten Tomatoes (review aggregator)).
- 2022 – The Twelve premieres on Foxtel (TV Guide (TV listing database)).
- 4 Aug 2025 – Season 3 debuts in Australia (Rotten Tomatoes (review aggregator)).
- 31 May 2026 – Season 3 arrives on ITVX (Radio Times (UK TV listings authority)).
- UK viewers can stream the full season on ITVX from 31 May 2026 (JustWatch (streaming aggregator)).
- First two episodes also air on ITV1 (Radio Times (UK TV listings authority)).
- No official confirmation of season 4 as of May 2026. (JustWatch (streaming aggregator))
Here is a quick reference for the essential details about The Twelve season 3.
| Label | Value |
|---|---|
| Creator | Tommy Murphy and Kirsty Fisher |
| Network (Australia) | Foxtel |
| Network (UK) | ITVX / ITV |
| Season 3 premiere (Australia) | 4 August 2025 |
| Season 3 premiere (UK) | 31 May 2026 |
| Number of episodes | 8 |
| Case type | Cold case murder from 1968 |
Where can I watch Season 3 of The Twelve in the UK?
ITVX streaming details for The Twelve season 3
The entire third season landed as a full box set on ITVX on 31 May 2026, as confirmed by Radio Times (UK TV listings authority). The first two episodes also aired on linear ITV1 that same evening at 10:45pm. For anyone who prefers to binge, the platform offers it free with adverts, according to JustWatch (streaming aggregator).
UK viewers don’t need a paid subscription—just an ITVX account—to catch every episode of the cold‑case drama.
Is The Twelve season 3 on Netflix in the UK?
As of May 2026, the show is not available on Netflix UK. Digital Spy (entertainment news site) reported that seasons 1 and 2 were on ITVX, and the third season followed the same pattern. No major rival platform has picked up the Australian series.
If you’re outside the UK, check Binge (Australia) or your local ITVX equivalent—availability varies by region.
The implication: ITVX remains the exclusive UK home for this Australian import.
What happens in season 3 of The Twelve?
Overview of the Cape Rock Killer cold case
The season revolves around a 1968 murder that is reopened when a woman researching it for a true‑crime novel is herself killed. Rotten Tomatoes (review aggregator) describes the plot as a “cold case reopened after a woman researching it for a true crime novel is murdered.” The jury must weigh decades‑old evidence and testimony from witnesses whose memories have faded—or been deliberately obscured.
Key plot points and jury deliberations
- Experts reveal brutal details about Amanda’s murder during the trial.
- Corby sets another person up for the murder of Amanda, according to Reddit (community discussion forum).
- Themes of honesty, deceit, and lies are front and centre.
The pattern: each season tests the jury system with a new moral dilemma.
Who was the killer in season 3 of The Twelve?
Identity of the Cape Rock Killer
The season builds toward the reveal of the Cape Rock Killer, the person responsible for Amanda’s death. Rotten Tomatoes (review aggregator) notes that Amanda may have staged her own death, a twist that casts doubt on every piece of evidence. Without spoiling the finale, the show points the finger at someone who has been lying for years.
Spoilers for the season 3 reveal
Corby’s manipulation is exposed during the final episodes. Reddit (community discussion forum) suggests that the actual killer is not the obvious suspect, and the jury’s deliberation hinges on a single overlooked detail from 1968.
If you’ve watched seasons 1 and 2, you know The Twelve doesn’t do neat endings—expect ambiguity even after the verdict.
The catch: even after the verdict, the show’s ambiguity lingers.
Can you explain the ending of season 3 of The Twelve?
What happens to Claire Spears?
Claire Spears’ fate is a major plot point that ties directly to the cold case. Without revealing too much, her character arc intersects with the Cape Rock Killer narrative in the finale. The ending shows the jury delivering a verdict, but the aftermath leaves questions about whether true justice was served.
How the season 3 finale resolves
The season wraps up with Corby’s scheme unravelling. Radio Times (UK TV listings authority) summarises the ending as a “tense conclusion that forces the jury to confront decades of deceit.” The final scene hints that the Cape Rock Killer might never be held fully accountable.
What this means: The Twelve resists tidy resolutions.
Is there a season 4 of The Twelve?
Renewal status for The Twelve
As of May 2026, no official announcement about season 4 has been made. The series was renewed for a third season in September 2024, as reported by Digital Spy (entertainment news site). Given that season 3 only premiered in Australia in August 2025 and arrived in the UK in 2026, a green‑light for season 4 would likely come later in 2026.
What to expect from future seasons
The show’s format—each season a new jury case—makes further seasons possible. TV Guide (TV listing database) lists the series as “2022‑2025,” but that may update if a fourth season is announced. Fans should watch for news from Foxtel or ITVX.
For UK streaming subscribers, a season 4 renewal would mean more hours of Australian courtroom drama on ITVX—if the numbers justify it.
The pattern: renewal decisions typically follow UK viewership data.
Who are the actors in season 3 of The Twelve?
Main cast for season 3
- Sam Neill returns as Brett (Rotten Tomatoes (review aggregator))
- Kate Mulvany as Kate (Rotten Tomatoes (review aggregator))
- Brendan Cowell as Garry (Rotten Tomatoes (review aggregator))
- Pallavi Sharda as Corrie (Rotten Tomatoes (review aggregator))
- Brooke Satchwell as Georgina (Rotten Tomatoes (review aggregator))
- Matt Nable as Nathan (Rotten Tomatoes (review aggregator))
Guest stars and recurring characters
The season also features new cast members specific to the Cape Rock Killer storyline. Full details are available on Wikipedia (community‑edited series page) and IMDb (film database).
How many series are there of The Twelve?
Complete list of seasons
As of 2025, three seasons have aired. TV Guide (TV listing database) lists the series span as 2022‑2025. Season 1 premiered in 2022, season 2 on 11 July 2024 (per the show’s production timeline), and season 3 on 4 August 2025.
Difference between Australian and international releases
Australian viewers had season 3 on Foxtel/Binge from August 2025. UK audiences waited until late May 2026 for the ITVX box set. This delay is typical for Australian dramas crossing to the UK market.
The implication: the UK delay means spoiler risks for patient viewers.
Three seasons, one pattern: each puts a different jury at the centre of a morally ambiguous case.
| Season | Australian premiere | Number of episodes | Case focus |
|---|---|---|---|
| 1 | 2022 (TV Guide (TV listing database)) | 8 (per series standard) | Murder trial of a woman accused of killing her friend |
| 2 | 11 July 2024 (production timeline) | 8 | Unknown – details not widely published |
| 3 | 4 August 2025 (Rotten Tomatoes (review aggregator)) | 8 (Wikipedia (community‑edited series page)) | 1968 cold case – the Cape Rock Killer (Rotten Tomatoes (review aggregator)) |
The implication: season 3 breaks the pattern by introducing a historical crime, forcing the jury to weigh evidence from a time before forensics dominated courtrooms.
Timeline of The Twelve
- – Amanda’s murder occurs; the Cape Rock Killer case begins. (Rotten Tomatoes (review aggregator))
- – The Twelve mini‑series premieres on Foxtel. (TV Guide (TV listing database))
- – Season 2 of The Twelve airs in Australia. (Production timeline)
- – The series is renewed for a third season. (Digital Spy (entertainment news site))
- – Season 3 premieres on Foxtel in Australia. (Rotten Tomatoes (review aggregator))
- – Season 3 releases as a full box set on ITVX in the UK. (Radio Times (UK TV listings authority))
What we know vs. what remains uncertain
Confirmed facts
- Season 3 premiered on 4 August 2025 in Australia (Rotten Tomatoes (review aggregator)).
- Season 3 streams on ITVX in the UK from 31 May 2026 (Radio Times (UK TV listings authority)).
- The season involves a cold case from 1968 (Rotten Tomatoes (review aggregator)).
- The show was renewed for a third season in September 2024 (Digital Spy (entertainment news site)).
What’s unclear
- Whether there will be a season 4 has not been officially announced as of May 2026.
- The exact identity of the Cape Rock Killer may be ambiguous until the finale.
- Whether Amanda’s murder was staged or not is a plot twist.
- Whether the 1968 murder connects to the present-day killing remains unconfirmed.
Perspectives on the season
“The Twelve: Cape Rock Killer was available to stream as a full box set on ITVX from Sunday 31 May 2026. The first two episodes also aired on ITV1 on Sunday 31 May 2026 from 10:45pm.”
Radio Times (UK TV listings authority)
“Corby sets another person up for the murder of Amanda. It’s classic misdirection, but the jury sees through it by the end.”
“The season revolves around the Cape Rock Killer case, a cold murder from 1968 that forces the jury to confront a web of secrets.”
For UK viewers waiting to watch The Twelve season 3, the choice is clear: stream the full box set on ITVX from 31 May 2026, or miss the slow‑burn payoff of a cold case that forces the jury to confront lies decades old. The series continues to prove that the most compelling courtroom drama isn’t about the crime—it’s about the ordinary people who decide a stranger’s fate.
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Frequently asked questions
What is the Cape Rock Killer in The Twelve?
The Cape Rock Killer is the moniker given to the person responsible for Amanda’s 1968 murder, the central case in season 3. The term originates from the location where the body was found.
Is The Twelve season 3 based on a true story?
No, the series is a work of fiction. However, it draws on real‑world jury dynamics and cold‑case investigation techniques to create a realistic courtroom drama.
How many episodes are in The Twelve season 3?
Season 3 consists of 8 episodes, each approximately 48 minutes long (per TV Guide (TV listing database)).
What is the UK release date for The Twelve season 3?
The full season became available on ITVX on 31 May 2026 (Radio Times (UK TV listings authority)).
Who stars in The Twelve season 3?
Returning cast includes Sam Neill, Kate Mulvany, Brendan Cowell, Pallavi Sharda, Brooke Satchwell, and Matt Nable. New guest actors join for the Cape Rock Killer storyline (Rotten Tomatoes (review aggregator)).
Do I need to watch seasons 1 and 2 before season 3?
While each season features a new case, the show’s exploration of the jury system and returning characters (e.g., Sam Neill’s Brett) benefits from chronological viewing. Season 3 is self‑contained enough to enjoy standalone, but previous seasons enrich the experience.
What network airs The Twelve season 3?
In Australia it airs on Foxtel (and streams on Binge). In the UK it is available on ITVX (streaming) and ITV1 (linear broadcast) (Radio Times (UK TV listings authority)).
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