E1 - Purity

Aired: January 30, 2023

An Education in Opus Dei - the disturbing teachings of the conservative Catholic organisation and its influence in the NSW Liberal Party. Former students reflect on the practices they say have scarred them for life.

E2 - Do No Harm

Aired: February 06, 2023

The doctors who break their sacred oath but are still allowed to practise. We investigate the medical complaints handling process as patients tell harrowing stories of betrayal, and the system that struggled to respond.

E3 - Carbon Colonialism

Aired: February 13, 2023

Can carbon credits really save the planet? We journey deep into the Papua New Guinean jungle to uncover the confronting truth about the carbon trade, finding a vast chasm between what is marketed and what is really happening.

E4 - The People's Fight: The Battle for Kherson

Aired: February 20, 2023

The People's Fight, the inside story of the battle of the strategic city of Kherson. This Ukrainian victory halted Russian advances in the South and showed how an army of volunteers could defeat the might of the Russian army.

E5 - Fading Away

Aired: February 27, 2023

Australia's secret battle with eating disorders. We follow families as they struggle to get the right treatment, exploring the complexities and revealing a health system appallingly underprepared to deal with this crisis.

E6 - Tainted Gold

Aired: March 06, 2023

Inside Perth Mint's billion dollar scandal. Criminals have targeted Australia's largest government-owned gold refiner, trying to exploit weaknesses in its reporting systems to launder money.

E7 - High Stakes

Aired: March 13, 2023

Exposing the political games of one of Australia's most powerful lobby groups. A senior Liberal Party minister speaks for the first time about the orchestrated campaign to remove him by the powerful Australian gambling lobby.

E8 - The Secret World of Incels

Aired: March 20, 2023

Filmmaker Ben Zand takes us into the dark world of Incels - a radical online subculture of young men who rage against women for supposedly denying them sex and then turn that rage into fantasies about horrific violence.

E9 - Agents of Influence

Aired: March 27, 2023

Real Estate insiders expose the industry's secret tactics. Agents and property professionals reveal the ways in which their profession manipulates and misleads buyers as well as sellers in the pursuit of making a deal.

E10 - Gaming the Games

Aired: April 03, 2023

The scandal threatening the Paralympics. Insiders reveal a culture where classification rules are regularly bent and broken, as a system meant to ensure a level playing field for Paralympians is flawed and easily manipulated.

E11 - Predator: The Secret Scandal of J-Pop

Aired: April 10, 2023

Japan's secret sex scandal. A music executive with a long history of allegations of sexual abuse made by boys in his talent agency. We examine the suffocating reality of being a J-pop idol and the media cover up over decades.

E12 - Hackers Inc

Aired: April 17, 2023

Australia is under cyber-attack and the problem is only getting worse. John Lyons tracks the criminal syndicate behind one of our largest-ever data breaches, finding highly-organised criminal gangs, often based in Russia.

E13 - Fox and the Big Lie

Aired: April 24, 2023

Four Corners revisits its investigation into the inner workings of the powerful Murdoch-owned conservative news outlet Fox News, in the wake of the company's billion-dollar settlement with an election technology company.

E14 - Going Nuclear

Aired: May 01, 2023

Australia's high risk submarine gamble. As we embark on the $368-billion AUKUS plan to acquire a fleet of nuclear-powered subs, reporter Angus Grigg exposes major delays and safety issues in our current Collins Class vessels.

E15 - AI Rising

Aired: May 08, 2023

The new reality of artificial life. As tech companies race to dominate the artificial intelligence market, experts warn we're not prepared for what happens next. Grace Tobin investigates the misuse and abuse of generative AI.

E16 - Inside Russia

Aired: May 15, 2023

We go deep inside Russia to document the opposition to the Ukrainian war. Brave Russians who are willing to speak out against their government, despite the incredible risk.

E17 - Cocaine Nation

Aired: May 22, 2023

We lift the lid on the shadowy underworld of Australia's cocaine supply chain, with unprecedented access to traffickers, importers, street dealers and high-ranking cartel operatives.

E18 - Hiding Behind Tombstones

Aired: May 29, 2023

The new legal tactics blocking justice for survivors. Louise Milligan goes inside the legal fight as lawyers representing victims face institutions pushing to have cases thrown out of court altogether.

E19 - Frontline Taiwan

Aired: June 05, 2023

The small island state of Taiwan is in dire straits - stuck in the middle of a struggle between nuclear superpowers China and the United States. There are real fears it may become the centre of our next major global conflict.

E20 - Game, Bet, Match

Aired: June 12, 2023

The secretive deals between Australia's big sporting codes and bookmakers. Pat McGrath reveals how sports governing bodies get a cut of every bet made in Australia on their games. Could it change the way the games are played?

E21 - Traitor

Aired: June 19, 2023

Australia's great untold spy story. A senior officer at our national spy agency stole and sold highly classified intelligence to Russia's KGB for at least six years, jeopardising our security relationship with the US and UK.

E22 - Dirty Deeds

Aired: June 26, 2023

Inside Australia's Biggest Tax Scam. Paul Farrell investigates the Plutus Payroll scheme: a vast conspiracy to defraud more than $100 million from Australian taxpayers, revealing how it was set up and how it was brought down.

E23 - Putin and the Presidents

Aired: July 03, 2023

A week after the Wagner rebellion exposed cracks in Russian President Vladimir Putin's power, we investigate his decades long clashes with US Presidents. The miscalculations and missteps that paved the way for war in Ukraine.

E24 - Blocked

Aired: July 10, 2023

The battle over youth gender care. Patricia Karvelas breaks open the debate, navigating polarised arguments and scientific research on issues including medical interventions, puberty blockers and cross-sex hormones.

E25 - House of Cards

Aired: July 17, 2023

Inside the broken business of building. Australia has the highest rate of construction insolvencies in a decade. We examine the supply chain pressures, slim profit margins and failure in regulation as some flout the law.

E26 - Putin's Secret Army

Aired: July 24, 2023

From the Ukrainian frontlines to Syria and the mines of the Central African Republic, we lift the veil on Putin's private army - The Wagner Group. Former senior Wagner insiders speak about what they saw in the line of duty.

E27 - Inside the Shein Machine

Aired: July 31, 2023

Undercover cameras go inside Chinese fast-fashion retailer Shein's factories for the first time.

E28 - Shadow State

Aired: August 07, 2023

How consultants infiltrated government. Firms push ethical boundaries and cost billions of dollars with little transparency and almost no accountability. We reveal accusations of wasted public money and conflicts of interest.

E29 - Breaking the Cycle

Aired: August 14, 2023

The children of Australia's meth crisis. Thousands of Australian babies are born exposed to their mothers' drug use every year. We investigate what's being done to tackle one of the hidden side effects of the drug epidemic.

E30 - The Silence: AFL's Last Taboo

Aired: August 21, 2023

The AFL is the only major sporting code in the world that hasn't had a single elite male player publicly identify as gay. Louise Milligan investigates the AFL's culture and asks what has created this silence?

E31 - The Antidepressant Story

Aired: August 28, 2023

Antidepressants have helped many treat anxiety and depression but the physical and mental side effects can be wide-ranging - from headaches, brain fog, loss of sexual function and suicidal thoughts - and are often downplayed.

E32 - No Country for Women

Aired: September 04, 2023

Despite the Taliban's public promises of change, we expose the reality of life for women in Afghanistan. We accompany an underground network of female activists on dangerous missions to rescue women hunted by the Taliban.

E33 - Muddy Waters

Aired: September 11, 2023

Renegotiating Australia's democracy. Dan Bourchier travels the countrytalking to people about what the referendum means to them. The Voice debate has been unsettling and confusing, so what does self-determination look like?

E34 - Flight Risk

Aired: September 18, 2023

The inside story of the decline of Qantas. Current and former staff talk about ruthless cost cutting and a divide and conquer culture. An airline in damage control, beset by customer complaints and a demoralised workforce.

E35 - Careless

Aired: September 25, 2023

How the NDIS fails to protect our most vulnerable. Anne Connolly and the Four Corners team expose criminals, opportunists and registered providers who have been busted exploiting loopholes to overcharge and defraud the NDIS.

E36 - Undercover

Aired: October 02, 2023

Undercover operatives and secret informants have been crucial in the fight against organised crime. But what happens to these people who risk their lives once the operations have finished and the criminals are behind bars?

E37 - Escalation

Aired: October 09, 2023

Climate, protest and the fight for the future. Reporter Hagar Cohen takes you deep inside the battle between climate activists, the government and energy companies.

E38 - Trapped

Aired: October 16, 2023

Inside the hidden system locking people up indefinitely. Four Corners reveals allegations of the torture and mistreatment of people living with disabilities and mental illness who are locked up indefinitely by the state.

E39 - Tunnel Vision

Aired: October 23, 2023

The nation-building project that went horribly wrong. Snowy Hydro 2.0 was sold as a low-carbon future by the end of 2024. Instead, the pumped hydro project is now five years behind schedule and forecast to hit $12 billion.

E40 - Guarded

Aired: October 30, 2023

Private security policing the public. In Darwin, private security firms hired by the NT Government patrol the streets doing work usually done by the police. We examine is there adequate training, accountability and oversight?

E41 - Andrew Tate: The Man Who Groomed the World?

Aired: November 06, 2023

The perplexing rise of Andrew Tate, a once-obscure figure who leveraged bombastic online courses to become a global sensation. Investigative journalist Matt Shea reveals the dark misogynist underbelly of Tate's network.