Nick and Katrina's persistence while investigating haunted locations leads them to some shocking discoveries.

This house is incredibly active and full of dark energy.

As they investigate a haunted mansion they are physically attacked.

Even after leaving the Hinsdale House it calls Nick and Katrina back.

There's an angry spirit that wants them out of this house.

This old infirmary is full of paranormal activity. Is it a welcome or a warning to the former residents?

Nick and Katrina hear from a spirit and it knows their names.

They've caught a strange mist on camera. Could it be the spirit of a young girl?

Nick and Katrina have made contact with Emma, a child who died more than 100 years ago.

Not surprisingly Nick and Katrina agree that the most shocking moment of this investigation was the physical attack on their cameraman.

Nick and Katrina feel a presence in the room and then capture the voices of entities on the geobox.

The Paranormal Lockdown team capture an entity on camera that looks like a creeper. Do you see it?

Nick and Katrina take you inside the most intense moments of their lockdown at the Trans-Allegheny Lunatic Asylum.

If he weren't a paranormal investigator he'd be shooting hoops. Learn more about Nick Groff from Paranormal Lockdown!

Nick and Katrina beckon spirits and one contacts them in a very personal way.

Katrina Weidman seeks out ghosts for a living but there's something else that she finds scarier. Learn more about the star of Paranormal Lockdown!

Nick and Katrina's persistence while investigating haunted locations leads them to some shocking discoveries.

Nick and Katrina have made contact with Emma, a child who died more than 100 years ago.

Even after leaving the Hinsdale House it calls Nick and Katrina back.

There's an angry spirit that wants them out of this house.

This house is incredibly active and full of dark energy.

Nick and Katrina hear from a spirit and it knows their names.

As they investigate a haunted mansion they are physically attacked.

They see a figure in the shadows and then hear a voice on the EVP.

The Ghost Brothers talk about their first paranormal experiences.

Dalen feels a spirit sit next to him and now he's not so sure he wants to keep investigating in the attic.

The Ghost Brothers let you in on some tips for ghost hunting.

The Ghost Brothers try to get a reaction from an evil spirit by taunting him.

You tweeted about Ghost Brothers and Dalen, Marcus and Juwan have a response!

Judging from his reaction it seems the spirit of this boat captain may be anti-alcohol.

The Ghost Brothers read tweets from fans. What can be said in only 140 characters is almost as unbelievable as ghosts.

Something in this hotel is driving people away and it's in the attic.