TAPS goes to investigate a haunting at the Bird Cage theater in Tombstone, Arizona.

Taps pays a visit to the O.K. Corral where the famous gunfight occurred.

The team travels to a Vermont home and investigates the closed West Virginia State Penitentiary in Moundsville, West Virginia to investigate phenomena attributed to "shadow people."

Massachusetts is visited for two paranormal investigations. The team explores a Victorian Mansion and an 1897 manor.

The best of the footage from the live Halloween event.

Jason and Grant head to Ireland to investigate Leap Castle, considered by many to be one of the most haunted places in the world. One of the spirits in the castle is an "elemental" that was supposedly summoned by dark arts, and is reported to be hostile and perhaps even deadly.

Continuing with their Ireland trip, TAPS travels to Lisheen Castle to investigate possible fairy activity in an area near the Castle called "the Wrath". They then board a plane to London to investigate the Viaduct Tavern, built on the site of Newgate Prison, where strange voices and touches by unseen hands have been reported.

Still on their European tour, TAPS heads to the Hellfire Caves in West Wycombe to investigate the paranormal activity. Then, on their day off, Jason and Grant take a tour of Jack the Ripper's haunts were they learn more about the gruesome murders.

When a mother comes to them for help, TAPS takes on a local case at the Tedeschi's House where strange voices are heard and toys come on by themselves. Then it's on to the MacLean's House to investigate strange noises and shaking that are coming from under the house. Jason and Grant head up to the attic where a whole new investigation begins.

TAPS travels to Chesapeake, Virginia to investigate the Keffer's House which suffers from apparitions, voices, and possibly a possessed doll. Then Steve is put in charge of his own investigation when he and TAPS head to Charlestown (Rhode Island) to investigate The General Stanton Inn where apparitions and voices have been seen and heard.

TAPS heads down to Corpus Christi, Texas to investigate the U.S.S. Lexington, an aircraft carrier where over 400 officers died on board during it's 21 out of 24 battles in WW2. Then it's on to a local case in Warwick at City Hall, where the sound of a woman crying has been heard and ghostly picture of a man was captured on a webcam.

The team investigate claims of paranormal activity at a house in Hollywood, CA near the site of the 1969 "Manson Murders." Then TAPS heads to the film studio built by Charlie Chaplain to check out claims of activity including full apparitions.

TAPS takes their new trainee, Kris, along to investigate Northern State Hospital, a closed psychiatric hospital in Washington State. Then they descend below the streets of Seattle to explore the tunnels below the city.

TAPS heads to San Francisco to investigate claims of activity at the Presidio. Then they talk to a family who believe that an old employee and family friend is still coming to work 20 years after her death.

The Gibbons family, in Seattle, WA, ask TAPS to investigate their home. The whole family has been having seemingly paranormal experiences ever since their orphaned niece has come to live with them. The family wants to find out what is going on, and whether the ghostly presence might be the girl's lost mother trying to make contact. While in Seattle, the team decide to go to the Moore Theater, a place that has been considered haunted by employees for years.

The congregation at St. Matthew's Episcopal Church, in Prosser, WA, has suggested that the Reverend Jennings invite the Ghost Hunters to come in to examine a number of strange sounds, smells, and sights. Back in New England, TAPS then goes to the Sprague Mansion in Rhode Island, a beautiful building with ghost sightings dating back to 1925.

Jason and Grant finally travel to Salem, the place that sparked Donna's interest in the paranormal. There they investigate the Lyceum Bar and Grill, which is built on land once owned by the first victim of the infamous Salem witchcraft trials. Then, when Jason must race back home due to a family emergency, Grant is left to direct the team in their investigation of the Hawthorne Hotel.

The TAPS team goes over the evidence collected at the Waverly Hills Sanatorium in the 2007 live Halloween special.

In the season three finale, Jason and Grant reflect on the greatest, and most terrifying, moments from the first three seasons of Ghost Hunters.

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Fort Mifflin in Philadelphia is investigated. The site was used as a garrison during the American Revolutionary and Civil Wars.

Burlington County Jail in Mount Holly, NJ, which has now been turned into a museum, is investigated. Elsewhere, a Connecticut family's home is investigated.

The Clapp Library in Belchertown, Massachusetts and a family's claim that they have been haunted for four generations are investigated by the team.

The team travels to Pennsylvania to investigate the Cashtown Inn, a bed & breakfast that was a military headquarters during the Civil War.

The team goes to Trinway, Ohio to investigate Prospect Place, a stop along the Underground Railroad during the Civil War. Then they investigate a home in Massachusetts where the owners complain of shadowy figures.