Under Investigation with Liz Hayes

"The Queen is dead, long live the King" will be the words echoed the instant Her Majesty Queen Elizabeth II passes. UI investigates The Crown in a post-Elizabeth world, examining whether the Commonwealth will remain intact, or if Australia will regather the reins of republicanism.

UFOs: a topic previously pushed into science fiction is suddenly being taken very seriously based on video authenticated by the US military. UI experts investigate the mystery of these unidentified objects.

Looks to crack the secrets held by this rugged and remote terrain, some of the most beautiful but potentially dangerous in the country.

Reinvestigates the baffling case of Melbourne's 'Mr Cruel' that involved a series of child abductions and murder during the late-1980s. The use of cutting-edge data mapping software reveals new clues in the active case.

This program investigates Australia's delicate dance with nuclear energy, which many experts say is the only way of surviving past fossil fuels into a carbon-free future.

Not since Adolf Hitler has the world feared a dictator like Vladimir Putin. Hitler's madness sparked a World War - could Putin do the same?

Under Investigation follows the trail of the "Coward Killer", John Wayne Glover, from the 1960's to his murder spree of elderly women in the 1980's.

As President Trump was the disruptor in chief in the Oval Office, he made his own rules and he left America, the world, and, at times, even his own staff shaking their heads in disbelief.