Jeremy and his sons search the frozen wilderness for a lost bulldozer. Mark sets out to show his new fiancée the beauty of McCarthy, but finds danger.

When Jeremy crosses a frozen river in a two-ton bulldozer, he finds himself on thin ice. Jenny takes on a dangerous survival mission with her new-born baby.

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?

Test pilot ace Gordon Cooper is preparing to test a revolutionary landing system when two UFOs appear. Plus, what is the mystery of Saturn's mega-hex?

Rumours of a secret US military program to develop super soldiers with psychic powers exploded in the 1970s. Paul sets out to expose the truth.

The zombie apocalypse is one of the most depicted doomsday scenarios in popular culture. During Paul's investigation, COVID-19 spreads across the globe.

Engine issues stall Tom's build, a welder battles the wind on the boardwalk at Rich's island retreat and Creig brings the heat to his bear lodge.

Rich's island build is between a rock and a hard place. Tom gets a lesson in logging and Creig feels the sting of remote building and shoddy materials.

After five planes vanish in the Bermuda Triangle, science points to a strange geological force. And, satellites reveal lost tribes in the Amazon.

The Roanoke colony vanished without a trace, and centuries later, it remains one of history's greatest unsolved mysteries. Can new evidence reveal its fate?

The Klinge brothers investigate the notorious West Virginia Penitentiary; are long dead prisoners still haunting its cells? Plus, an Ohio home is haunted.

The Klinge brothers explore the Montana Prison; are the men who died in this brutal gaol still here? Plus, in Tennessee a couple fears a poltergeist is after their son.

The team build a room of mirrors to force a dark, controlling entity to manifest inside the church. Meanwhile, a psychic sketch artist reveals a dark secret.

The team go to South Carolina to explore claims of apparitions and physical attacks, thought to be linked to the first female serial killer and former inmates.

Josh Gates sets off deep into the Australian Outback. He follows the footsteps of legendary explorer Harold Lasseter, who claims to have found a vast field of gold.

Experts explore a new theory surrounding Scotland's Loch Ness Monster. The creature may not only be real, but possibly more dangerous than ever imagined.

In California, the team investigate a dark and unsettling presence aboard the notorious Queen Mary. The spirit that confronted Hans in 1976 has supposedly risen again.

Jack and Katrina head to Ohio to explore a jail said to house dozens of spirits. The duo has their work cut out for them as they separate rumour from truth.