The Travel Channel HD (Pacific)

In Weston, W. Va., Jack and Katrina venture inside the walls of a haunted hospital that once housed thousands of mentally ill patients; their investigation uncovers mind-blowing truths that lead to an intelligent conversation with the other side.

Jack and Katrina travel to Philadelphia to gain unprecedented access to never-before-investigated areas of Eastern State Penitentiary; the team explores sites where unimaginable suffering and death took place.

Jack and Katrina head down to New Orleans to perform the first-ever paranormal investigation of the LaLaurie Mansion; using voodoo rituals and spirit boards, they hunt for the truth about the rumors surrounding this real-life house of horrors.

It's a real-life case of the Phantom of the Opera as Jack and Katrina descend on the sleepy town of McConnelsville, Ohio, to investigate a majestic old theater long rumored to be haunted by a host of sordid spirits.

In Weston, W. Va., Jack and Katrina venture inside the walls of a haunted hospital that once housed thousands of mentally ill patients; their investigation uncovers mind-blowing truths that lead to an intelligent conversation with the other side.

Connie Craig-Carrol & Founder Ken Meares investigates Omega XL, the ultimate all-natural solution for joint pain from inflammation.

Meet the new Shark PowerDetect Upright Vacuum with features like DuoClean Detect Technology, self-cleaning brush roll and odor neutralizing and you will be cleaning faster, smarter and better!

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Meet the new Shark PowerDetect Upright Vacuum with features like DuoClean Detect Technology, self-cleaning brush roll and odor neutralizing and you will be cleaning faster, smarter and better!

A dog leads her owner to an apparition in England; a Texas family lives in a historic hotel with ghostly guests; a hiker stumbles across a cryptid's lair deep in the Canadian woods.

A UFO shoots across the sky in the Pocono Mountains; Bigfoot hides from a crowd in Tennessee's Great Smoky Mountains; a suspended soap bubble may be evidence of a glitch in the matrix.

Mysterious orbs light up a mountainside in North Carolina; a man in Sweden communicates with a graveyard ghost; a humanoid creature perches atop a roof in Brazil.

A horrifying humanoid visits an abandoned amusement park in Indonesia. Mysterious floating lights emanate from a forest in California. An angel hovers over a firefighter's truck in Michigan.

A shadowy apparition wanders through a Titanic exhibit; a creature that is half monkey and half witch scurries up a quiet neighborhood street in Costa Rica; a spectral moose stuns a woman in Alaska as it runs across the surface of a river.

A ghostly figure watches urban explorers from the shadows in England; a velociraptor skitters across a yard in Florida; a fleet of low-flying UFOs makes contact with two men in Ohio.

Ghost Adventures are the first team to investigate the Castaneda Hotel in New Mexico. They later gain access to another haunted hotel, the Plaza Hotel, where an aggressive spirit is said to be targeting women.

Ghost Adventures investigates Tennessee's Old Lincoln County Hospital, where nurses claim the Angel of Death stalked dying patients; the guys spot a shadow figure stalking them in the basement.

A 150-year-old Edinburgh manor; an entity terrorizes and violently chokes people as they enter the manor.

Properties once owned by John Mackay are investigated; an unseen force pushes Jay down the stairs; a spirit causes a light bulb to explode.

The crew goes to El Paso, Texas, to investigate the De Soto Hotel and Concordia Cemetery; satanic worship in the basement; serial killer Richard Ramirez's connection to Concordia Cemetery.

The crew goes to Denton, Texas, to investigate Goatman's Bridge; satanic worship underneath the bridge; four women report being physically attacked by a demonic entity.

Investigating the historic Metlen in Montana; Zak learns of possession and suicide; Aaron's horrifying results.

Investigating St. Anne's Retreat and its legends of dead nuns and hellhounds that drew a group of teenagers in 1997.

Zak and the crew head to Globe, Ariz., to investigate a jail and courthouse riddled with violence and mystery; the chilling lockdown reveals that darkness lingers in every inch of the strange buildings.

The crew travels to Oregon to investigate the mysterious Wolf Creek Inn, a historic building riddled with aggressive negative energy, apparitions and a vampire-like creature; Aaron experiences a dramatic psychological breakdown.