The Travel Channel HD

Investigating Native American Spirits at a restaurant in Santaquin, Utah.

Investigating dark energy at Yuma Territorial Prison.

Investigating a Satanic ritual site in the Arizona desert.

Investigating the Nevada State Prison in Carson City.

Re-opening an investigation at the Winchester Mystery House in San Jose, Calif.

Investigating extraterrestrial activity in Rainbow Valley, Ariz.

Investigating a Satanic ritual site in the Arizona desert.

Investigating the Nevada State Prison in Carson City.

Re-opening an investigation at the Winchester Mystery House in San Jose, Calif.

Investigating extraterrestrial activity in Rainbow Valley, Ariz.

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Clips of a ghostly pooch, a doughnut-shaped UFO, a Bigfoot encounter on Christmas and some demonic digging.

Jack gets one step closer to turning Ozzy and Sharon into believers as they watch footage of ghostly children, alien activity and the Fresno nightcrawlers; the Osbournes investigate a lunar conspiracy theory.

The Osbournes watch videos of a Bigfoot Christmas surprise, an infamous Loch Ness monster sighting and a spirit board moving totally on its own; Jack shares compelling evidence that the infamous Roswell crash may not be a hoax after all.

Jack continues to convince his parents that unexplainable phenomena exists everywhere, and he uses video evidence of shadow people, fairies and an ancient lake monster to show them.

The Osbournes view haunting clips of ghostly entities in Japan, a magnetic man in India, UFOs in South America and an angel sighting in Ozzy's hometown.

Jack takes Ozzy and Sharon on a virtual Bigfoot hunt to make them full believers; demonic possession and footage of a crop circle that seems too good to be true.

The Osbournes hop into their DeLorean for a game of Celebrity Time Traveler, try to pronounce a Swedish cryptid's name with poor success, and witness a real witch hunt; Ozzy gets closer to becoming a believer in UFOs.

The Osbournes get weird with spooky footage of an alleged zombie, the elusive Ohio Grassman and even the devil himself; Jesus makes an appearance in a game called "Paranormal or Pareidolia" and Jack turns up the volume on the HUM conspiracy theory.

The Osbournes get the scoop on an extraterrestrial hookup through a dating app; Jack pushes his parents to become believers in ghost pets, desert mermaids, interdimensional green children and ultrafast UFOs.

A ghost hunter is pushed to the brink by a demonic jinn; a shadow person invades a home in the UK; a creepy doll haunts a suburban basement.

A ghostly woman in white strolls along a dark highway; an underwater entity stalks a boat in a canal; and a gas station employee makes contact with a mysterious humanoid.

Beloved pets visit their owners from beyond the grave; a poltergeist moves chairs in a sports bar; and a couple is interrupted by an uninvited dinner ghost.

A shadowy entity attacks a ghost hunter; a mechanic is visited by an angel; and a family hears the bloodcurdling howls of a Bigfoot.

Two brothers tangle with a ghost that likes to set fires; a mothership unleashes an army of UFOs; a man faces terrifying consequences when he teases an interdimensional being.

A mysterious entity peeks in on a couple of investigators exploring an abandoned mansion in New York. Bars in Texas and Florida deal with rowdy ghosts. A Minnesota man sees a fiery object in the sky.

Two friends in Illinois are baffled by what looks like a portal opening in a parking lot at 3 a.m. A bed and breakfast in Wales offers complimentary shadow figures. A Michigan campfire conjures a familiar spirit.

The Blue Lady haunts a California restaurant overlooking the ocean; more than costumed staff members lurk in the dark at a Halloween attraction in a 19th-century Philadelphia prison; a New York village is dedicated to reliving history.

A menacing medieval castle; a gilded opera house turned into a makeshift morgue; a terrifying train car straight out of a nightmare.

A mysterious entity peeks in on a couple of investigators exploring an abandoned mansion in New York. Bars in Texas and Florida deal with rowdy ghosts. A Minnesota man sees a fiery object in the sky.