Actor Greg Grunberg.

Tatum O'Neal revisits a Brooklyn townhouse where she had a life-changing paranormal experience.

Actor Richard Burgi revisits his childhood home in New Jersey where he encountered the paranormal.

Actress Jordan Ladd returns to an old mansion in New Jersey where she once encountered a ghost that was watching her sleep. With psychic medium Kim Russo by her side, they confront the troubled spirit who has a clear message for Jordan.

Olympic figure skater Johnny Weir visits an ominous brick building in Pennsylvania that has frightened him since his childhood.

Actress Diane Farr fears a ghost is causing unexplained havoc in her California home. Kim Russo investigates and discovers the truth is far more unimaginable than either of them could have thought.

Loni Love returns to the hotel in North Carolina where she once suffered a scary experience.

Louis Gossett Jr. feels nervous as he returns to the Louisiana hotel where he was once surrounded by some angry ghosts.

Kim visits Vanessa Williams at her home in Westchester, N.Y.; Kim realizes that a spirit has a negative hold on Vanessa.

Vince Neil returns to the home where he last saw the spirit of his daughter; Kim discovers that Vince is being followed by a dark entity.

Brett Cullen returns to his former residence in Richmond where he encountered traumatic paranormal events

Singer Wayne Newton visits the Las Vegas theatre where he encountered the ghost of his friend; psychic medium Kim Russo is filled with emotion as she prepares for the journey with Wayne.

Actor Joe Pantoliano returns to the Santa Fe hotel where he and his girlfriend had a paranormal experience; Joe and Kim Russo explore the haunted hallways of the hotel.

Louis Gossett Jr. feels nervous as he returns to the Louisiana hotel where he was once surrounded by some angry ghosts.

Actor Jesse Metcalfe returns to his childhood home in Connecticut where he and his family had paranormal experiences.

Charles Shaughnessy (The Nanny / Days of Our Lives) stands up to his boyhood fears and returns to a legendary 16th century English castle where he had a supernatural experience as a child. With the help of Kim Russo, Charles is forced to confront the evil, shadowy spirit that dwells in the castle and bullies its visitors.

Carnie Wilson travels to Weed, California where a ghostly visit traumatized her years ago. With the help of Kim Russo, Carnie journeys through her past to find out why this ghostly encounter happened and uncovers a shocking secret.

Patrick Muldoon (Melrose Place, Starship Troopers) faces his worst fears when he revisits an Inn in Charleston, SC, where he was once attacked by an evil entity.

Sally Struthers shared her former home in Brentwood, CA with a ghost for many years. Traumatized by the experience, Sally returns with Kim in the hopes to uncover the secrets behind the restless soul(s) that still inhabit the house.

Singer Kim Carnes returns to a farmhouse in Franklin, Tenn., where she once met a childlike spirit.

D.B. Sweeney returns to a haunted motel in Fort Bragg, Cal., where he once encountered an evil entity.

Kristen Renton goes ghost hunting aboard the Queen Mary.

MMA star Tito Ortiz visits his former home in Hollywood, which he believes to be haunted, along with psychic medium Kim Russo.

Bernie Kopell visits a hotel in Niagara Falls, N.Y., where he once encountered a bloody ghost.

Musician Jack Blades returns to a home in New Mexico where he encountered spirits nine years earlier.

Model Coco Austin returns to her former New Mexico home where she was tormented by a dark entity.

Shirley Jones revisits her former home in upstate New York where she was chased out of the house by spirits.

Kim believes an entity from her visit to Pennhurst Insane Asylum has been following her. She returns to Pennhurst to determine who this unseen force is, what they want and try to release it before Kim and her family are put in danger.

Actor Barry Bostwick and Kim Russo journey to Rockland County, NY, where they visit an old farmhouse where Barry experienced paranormal activity as a youth with his family, and he takes on the entity to find out what happened.

Elisabeth Rohm visits her former residence in Southampton, N.Y.

Nadine Velazquez visits two of her childhood homes in Chicago.

Giancarlo Esposito visits one of his former homes in Ridgefield, Conn.

Roddy Piper encounters ghosts in his Portland, Ore., house.

Jay Thomas visits his former home in Santa Barbara, Cal., in the Season 2 finale.

Beverley Mitchell ("7th Heaven") returns to Pennhurst Asylum to find answers about the ghosts at Pennhurst. Kim and Beverley go on a shocking and dangerous journey through the abandoned institution.

For the first time in years, Eric Mabius (Resident Evil, Ugly Betty) returns to Allaire Village to confront the ghost he saw when he was a child. Eric and Kim explore Allaire Village and uncover secrets from the past.

Connie and her daughter Joely Fisher have shared their home with a ghost for a long time. Kim accompanies both women as she uncovers secrets about the house and its former owner, revealing surprising visits from the other side along the way.

Kelly ("Nip/Tuck", "The Marine") returns to her childhood home in Bloomington, MN where she has been tormented by ghosts her whole life. Kim Russo accompanies her on this journey and explains why Kelly has attracted these spirits and how she can learn to control these traumatic encounters in the future.

Regis ("Who Wants to be a Millionaire", "Live with Regis and Kelly") returns to the Whaley House to find out why a ghost appeared to him and why she left so suddenly. Regis and Kim explore one of the most haunted places in America.

Chazz ("The Usual Suspects", "A Bronx Tale") returns to the Bronx restaurant where he had a paranormal encounter with profound implications. Kim and Chazz find out why the ghost contacted him and other messages he has to deliver.

Michael Rapaport ("Boston Public", "Prison Break") and a long time friend revisit Erasmus High School where dead students once haunted them. Kim communicates with the spirits at the school to relay answers to Michael's questions.

Gina ("Face/Off", "Bound") and Kim revisit Gina's old apartment from her days as a student at NYU. Kim and Gina explore the apartment building and discover spirits who met gruesome and untimely deaths.

After having a traumatizing experience at her studio, Fairuza ("American History X", "The Craft") wants to know more about the ghosts that live there. Kim Russo meets with Fairuza to find out what exactly is going on and what the spirits want to communicate.