BLAZE

Beginning in Philadelphia, a mysterious apparition walks across a woman's front lawn. Could it be a spirit from the infamous mental institution that once stood nearby.

Siblings are chased by a menacing shadow figure, while mournful serenades haunt a family's new home and a dark entity attacks a young boy.

UFO sightings are at an all time high. What makes these mass sightings incredible is also what makes them terrifying, and what might happen next.

Count down the world's top ten pyramid sites, from hidden structures in Peru to the famous landmarks of Giza in Egypt.

Tom receives a diagnosis for his heart condition. Elsewhere, Jake hunts coyotes and Mike climbs high into the mountains to hunt goats.

Troy and Pickle track a high-tech snake as Bill and Tes search for a new hot spot. Meanwhile, Dusty discovers one of his favourite honey holes has changed forever.

Seth is called upon to repair the malfunctioning computer system while Ashley is left to deal with an irate customer who was given the wrong ring.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

A cow is mutilated, a man is repeatedly abducted from his bed, and an astronomer's telescope intercepts a mysterious message.

Decoding Mayan texts, a physicist predicts a cataclysm will destroy the world. A NASA scientist makes an alien discovery.

While hiking a woman has a terrifying encounter with an entity from another world.

A small community is devastated by an earth-shattering 'boom,' while an paranormal fog seems to alter the very fabric of time.

Discover unidentified objects witnessed by military pilots and a potential alien home in the darkness of space.

As we plan to travel to new worlds, how are we preparing to become human extraterrestrials? Will we survive into the unknown.

Earth remains a mystery to the billions of people on it. How did it come to exist? And how long will humans call it 'home'.

From massive asteroids and bursts of radiation, are we prepared for the calamity that may be coming our way.

What will humans find when reaching other planets? And just how dangerous might it be.

The Life and Death of the Sun: The sun's been worshipped since time began. Could unlocking its mysteries be the difference between life and death.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard - a groundbreaking find containing treasures of alien beasts.

Cold War spy satellite photographs of mysterious structures hidden in Poland's forest motivate local archaeologist Grzegorz Kiarszys to hunt them down.

A shipwreck in Lake Michigan has an incredible history. How did this vessel, once part of Hitler's push to win World War II, end up stranded in one of the Great Lakes.

Explore some of the many theories that could help explain why so many ships, planes and people go missing in the Bermuda Triangle.

The Hunt for Stolen Nazi Treasure: Delve into the top theories of where the Nazis hid their wealth, much of which was stolen during World War II.

Explore the most notable theories into the possible whereabouts of Noah's Ark, based on ancient accounts.

For millennia, plagues, curses, droughts and the violent destruction of cities have been blamed on the wrath of angry gods.

Across centuries of human history, there have been many great kings, but Ivan IV does not hold this particular epithet. Experience his reign as the first tsar of Russia.

A look at the relevance of ancient practices like voodoo and exorcism today. Could there be more to such rituals than simply superstition.