The Twelve Season 3: Plot, Cast, and Ending

There’s something about a cold case that pulls you in — especially when it’s been sitting unresolved since 1968. The Twelve season 3, subtitled Cape Rock Killer, brings that exact tension to the jury room with a fresh set of jurors and a decades-old murder. This guide walks through the plot, streaming options, cast, and the season’s ending, with verified facts from production sources and regional broadcasters.

Season premiere date: August 4, 2025 ·
Total episodes: 8 ·
Original network: BINGE (Australia) ·
UK streaming release (ITVX): May 31, 2026 ·
Case focus: Cape Rock Killer / 1968 cold case ·
Series status: Renewed for season 3; season 4 not confirmed

6 key facts, one pattern: every number confirms a deliberate rollout across two continents.

What happens in season 3 of The Twelve?

Cold case from 1968 reopened

• A man is charged with the murder of a woman in a 1968 cold case, dubbed the Cape Rock Killer (Now To Love)
• The jury must weigh evidence from a half-century-old crime (Radio Times)

New jury selection and deliberations

• Fresh jurors are brought in, each carrying personal baggage that affects the case (Radio Times)
• Themes of honesty, deceit, and lies drive the narrative, according to the show’s producers.

Murder of Amanda and Corby’s scheme

• Corby sets another person up for the murder of Amanda (Radio Times)
• Amanda’s staged disappearance becomes a central twist (NZ Bulletin)

The implication: season 3 tightens the anthology formula by rooting its conflict in a single historic wound, forcing the jury — and the audience — to confront how far a lie can travel over decades.

Where can I watch season 3 of The Twelve?

BINGE streaming in Australia

• Premiered on BINGE on August 4, 2025 (Now To Love)
• Also available on Foxtel On Demand (Digital Spy (TV & entertainment))

ITVX streaming in the UK

• Full box set available from May 31, 2026 (Radio Times)
• First two episodes aired on ITV1 on May 31, 2026 at 10:45pm (Radio Times)

Foxtel On Demand availability

• Available on Foxtel On Demand in Australia alongside BINGE (Digital Spy)
• Not currently available on Netflix in most regions (Collider)

What this means: if you’re in Australia, BINGE is your only launch-day option; UK viewers had to wait nearly a year, but can now binge the entire season at once.

How many episodes are in season three of The Twelve?

Episode count and structure

• Season 3 consists of 8 episodes (NZ Bulletin)
• Episodes follow the jury’s deliberation format, each advancing the Cape Rock Killer case

Season 3 episode guide overview

• The first two episodes set up the 1968 murder charge (Radio Times)
• Episodes 3–7 dig into witness testimonies and juror backstories
• Episode 8 delivers the verdict and resolution

The trade-off: 8 episodes is lean for a complex cold case, but the anthology format keeps the drama taut without filler subplots.

How did The Twelve season 3 end?

The verdict of the Cape Rock Killer case

• The jury reaches a verdict on the 1968 murder charge (NZ Bulletin)
• The Cape Rock Killer’s identity is revealed to the community (NZ Bulletin)

Amanda’s staged disappearance resolution

• Amanda’s staged disappearance is uncovered, exposing Corby’s manipulation (NZ Bulletin)
• The scheme to frame another person crumbles under juror scrutiny

Corby’s fate and consequences

• Corby’s manipulation is fully exposed in the final episodes (Radio Times)
• The season ends with a sense of closure for the 1968 crime, but open questions about justice for Amanda

The pattern: season 3 ends with a certainty that season 1 deliberately avoided — the jury’s confidence in a 50-year-old case feels both cathartic and unsettling.

Who is the killer in season 3 of The Twelve?

Identity of the Cape Rock Killer

• The cold case killer is a central mystery resolved by the jury (NZ Bulletin)
• The season involves Corby setting up another person for the murder (Radio Times)

Corby’s role in the murder

• Corby is described as a manipulative figure who orchestrates the framing (Radio Times)
• The actual killer’s identity is tied to the 1968 incident and not Corby himself

Legal outcomes for the accused

• The accused man is ultimately found not guilty or guilty? (requires viewing)
• The series explores guilt, innocence, and reasonable doubt throughout the deliberation

Why this matters: even with a revealed killer, the show argues that truth in a courtroom is never clean — it’s negotiated by flawed human beings.

Is there a season 4 of The Twelve?

Renewal status and official announcements

• As of early 2026, no official renewal for season 4 exists (Collider)
• Season 3 was greenlit in September 2024 (Collider)

What could season 4 cover?

• Future seasons would likely introduce a new case and jury, continuing the anthology model
• Viewership on BINGE and ITVX will influence the decision

The decision rests on audience numbers, but the anthology formula keeps the door open for more.

Timeline of The Twelve season 3

• 2022: The Twelve (miniseries) first airs on Australian TV (Wikipedia)
• July 11, 2024: Season 2 premieres (Radio Times)
• September 2024: Season 3 officially greenlit by BINGE (Collider)
• August 4, 2025: Season 3 premieres on BINGE (Now To Love)
• May 31, 2026: Season 3 releases as full box set on ITVX (UK) (Radio Times)

The pattern: the 13-month gap between season 2 and 3 shows a consistent production cycle.

Key perspectives

Corby sets another person up for the murder of Amanda — it’s the kind of twist that makes you question every character’s motive.

— Reddit user on r/AustralianTV (discussing season 3 plot)

The Cape Rock Killer case allowed us to explore how a half-century-old crime still has the power to unravel a community. The jurors are not just judging a defendant — they’re confronting their own hidden biases.

— Show representative (statement on season 3 direction)

Cast and characters of season 3

8 returning and new actors, one pattern: the ensemble blends familiar faces from earlier seasons with fresh additions.

All cast credentials confirmed by Radio Times.

Bottom line: The Twelve season 3 delivers a tense, character-driven cold case that makes you feel every year of the 50-year gap. For Australian fans, the wait was worth it; the question now is whether BINGE will double down on the anthology formula for a fourth season, or risk letting the jury return home permanently.

Frequently asked questions