After Nick Groff left Ghost Adventures , he launched Paranormal Lockdown and also served as an executive producer for another paranormal television series, Ghost Stalkers. This series only lasted for one season (end of 2914) and has six episodes, each devoted to one (supposedly) haunted location. Each episode lasts about 45 minutes. Ghost Stalkers features two hosts, actor Chad Lindberg and author John E. L. Tenney. Both have a lot in common: not only do they believe in the paranormal, but they both also experienced an NDE (Near Death Experience). Because of this, they believe that haunted locations contain a portal (to hell), where the dead can cross over from one world to another. And it's their mission to find this portal in the locations they investigate in each of the six episodes. For this, they use a device, called a wormhole detector, built to discover gateways that connect different realities with each other. The two men have different personalities though and thi...