Paranormal investigator Zak Bagans and his team are locked down in a former sanatorium in California searching for the souls lost in the building.

Josh travels to Hungary to look for the lost tomb of Attila the Hun. Legends lead the search to the mountain forests just outside of Budapest.

The team investigates Gettysburg, Pennsylvania, site of the bloodiest battle of the Civil War, and try to make contact with the souls of these fallen American soldiers.

The team head to Bisbee, Arizona to investigate the one-time mining town's rough past. And, they head underground for the first time in their paranormal careers.

Josh ventures to Argentina, where many Nazi SS officers escaped to after World War II. He uncovers secret Nazi hideouts theories about Adolf Hitler's "true" fate.

The forests of Arizona's Mogollon Rim are believed to be the perfect habitat for young Sasquatches. Can the local Apache Indian tribe help the team to find them?

The spring breakup is starting to occur and the snow is melting. Meanwhile, Neil aims to start construction on the renovation of the mine.

As the battle for McCarthy wages on, a team of experts work to locate the only known entrance into the Mother Lode mine. But will they find it?

It's spring in Alaska, and the race is on for three builders trying to construct homes in the wilderness before the return of winter shuts them down.

The challenge continues as Lee organises an 18-load helicopter drop to deliver the equipment and supplies he'll need. Derek hand-crafts logs with a scriber.

A stunning French chateau plays host to the illicit affair of a literary superstar. Plus, an Irish manor is at the centre of an art heist.

An enchanting French castle is the setting for a haunting tale of jealousy. And, an act of treachery leads to bloody revenge at an Italian fort.

Paul looks for answers in a 60-year-old string of unsolved cattle mutilations across the US. He heads to a remote Nebraska farm to uncover the truth.

Paul searches for evidence that extra-terrestrials are among us. He unearths long-buried files that could lead to an alien cover-up all the way to the White House.

Don Wildman examines a fish species that was part of an unusual storm. And, the story behind the kidnapping of an oil baron's grandson.

Don examines one of the most challenging bomb cases in FBI history. And, the story of a scientist that accidentally uncovered a revolutionary medicine.

Darrell visits the Atocha, a valuable shipwreck Cooper recorded 50 years ago. Experts send Darrell to an archive in Spain to hunt down an ancient manifest.

Darrell finds the final piece to Cooper's code, but hiring a crew presents new danger as he discloses his secret mission. On the water, there's a big discovery.

Jack tries to convince Ozzy and Sharon to believe with video evidence of haunted dolls, a Russian UFO, and a ghostly grandma. Jack's dog joins for moral support.

The Osbournes plunge deep into the paranormal sea to find proof that mermaids exist. Plus, have Ozzy and Sharon fallen victim to the Mandela Effect?

Amy, Adam and Chip investigate a restaurant once used as a makeshift morgue. A powerful poltergeist is rumoured to haunt the building.

An underwater alien base may be located off the coast of a quiet Alaskan town. Plus, new evidence shows that a legendary predatory creature could be real.

The team rolls into a Texas town to investigate a notoriously haunted hospital. They discover a haunted doll room, and a wave of pent-up paranormal energy.

The team travels to West Virginia to investigate the legendary Webster Werewolf, a massive wolf-like creature with ancient mythical ties.