Seasons & Episodes
High Country Mystery
Two ageing lovers escaped to Victoria's remote High Country to conduct their secret affair – and have never been seen
The Disappearance of Janine Vaughan
Janine Vaughan was 31 when she was murdered after accepting a lift on a night out in 2001. Our panel uncovers shocking p
China & The Virus
The world was told the Coronavirus leaped from animals to humans at a market in China – but many scientists now fear i
Jaidyn Leskie – Little Boy Lost
Toddler Jaidyn Leskie was murdered in 1997 in a case that transfixed Australia. Greg Domaszewicz, who was acquitted of t
Putin's Poison
Russian President Vladimir Putin has unleashed chemical warfare on his opponents, poisoning them with deadly toxins. Our
The Disaster Aircraft
Nearly 400 people lost their lives to a design flaw in Boeing's 737 Max that caused two crashes, but the aircraft is bac
Episode 1
Episode 2
Episode 3
Murder Island
War with China
Girl in the Chute
Operation London Bridge
"The Queen is dead, long live the King" will be the words echoed the instant Her Majesty Queen Elizabeth II passes. UI i
The Unidentified
UFOs - A topic previously pushed into science fiction is suddenly being taken very seriously based on an extraordinary v
Curse of the High Country
Following the ground-breaking investigation that examined the disappearance of elderly lovers Russell Hill and Carol Cla
Mapping Mr Cruel
UI re-investigates the baffling case of Melbourne's "Mr Cruel" that involved a series of child abductions and murder dur
Nuclear Reaction
UI investigates Australia's delicate dance with nuclear energy, which many experts say is our only way of surviving past
Putin the Tyrant
Not since Adolf Hitler has the world feared a dictator like Vladimir Putin. Hitler's madness sparked a World War - could
Episode 7
Episode 8
The Cop Who Knew Too Much
Liz Hayes and Under Investigation's formidable experts investigate the strange death of a top SA cop in 1981. Written of
The Hate Police
In the 1980's and 90's, Sydney's gay community fell victim to ruthless bashings by savage gangs. Now, Under Investigatio
Gangs of Sydney
After over a dozen killings in 18 months, Sydney's gangland wars are getting bloodier. Under Investigation pulls back th
The Highway
Between 1970 and 2018, 11 people have vanished or been murdered along the Flinders Highway, including missing backpacker
Dark Seas
Travellers onboard cruise ships have seen violent crime, pollution, and now a COVID crisis. Liz Hayes and a panel of exp
Girls Gone
Nearly 50 years ago, 11-year-old Joanne Ratcliffe and 4-year-old Kirste Gordon were snatched from the Adelaide Oval. Gro
Bad Faith
Uncover the terrifying abuse faced by young, vulnerable women at the hands of the Esther Foundation, a Perth cult once b
Slug Gate
After government inspectors found a slug in a Melbourne catering company's factory, a public health warning erupted into
The Man In The Hole
Loving couple Ray and Jennie Kehlet join colleague Graham “Grumpy” Milne on a gold-prospecting trip to the red heart
Where's Willi?
Australia's first celebrity chef, star of radio and television Willi Koeppen, runs one of the country's most successful
The Disgraceful Doctor Manock
One of the world's most unforgivable legal scandals. How South Australia's Chief Forensic Officer operated for decades w
Ghost Ship
Australia's most baffling maritime mystery, the 1988 disappearance of the Patanela just 10 miles off the coast of Sydney
An Excellent Murder
He was brave enough to stand up to the mafia in a country town. But Don Mackay paid the ultimate price. His enemies were
Ambush
Four young police officers sent to a rural property are ambushed by violent extremists. They faced the siege at Wieambil
The Hit
One of Australia's most senior officers was killed in his own driveway they suspected a professional hit. Investigators
The Confession
Richard Dorrough, ex-navy sailor, took his own life in 2014. He left behind a shocking note claiming to have murdered th
The Last Lunch
Secrets of Balibo
Liz Hayes and her team of investigators assemble formerly top-secret diplomatic documents to expose what really happened
The Snake and the Shotgun
While searching for a snake in her garage, a devoted mother is fatally shot in the back by her husband. Liz and her team
The Trials of Graham Stafford
When a 12-year-old Queensland girl was brutally killed, her sister's boyfriend Graham Stafford was almost immediately co
The Vanishing of Sandrine Jourdan
Sandrine Jourdan was a vivacious mother of three living in the small town of Caboolture until she mysteriously vanished
The Runner
It is every family’s nightmare. A mother goes out on her regular morning jog, and never returns. In a special edition
I am the Law
Former WA cop Adrian Moore exploited his authority and the trust vested in police to manipulate, rape, and abuse thirtee
Spy Nation
China's authoritarian government is quietly developing AI designed to control its citizens. Liz Hayes and her team inves
The Good Snitch
Supposedly safe in witness protection, Andrew Petrelis, the star witness in a $40 million dollar drug importation is fou
Shots Fired
The shooting of Kumanjayi Walker by former NT police officer Zachary Rolfe in 2019 sparked one of the most contentious a
For The Love of Eden
The body of 15-year-old Eden Westbrook is found hanging from a tree in a public park. Liz Hayes and the panel discover s
Death Of A Model