Warehouse 13
Two US Secret Service agents are transferred to a classified supernatural warehouse in South Dakota to investigate reports of psychic activity there and to retrieve lost paranormal artefacts.
Fringe
An FBI special agent Olivia Dunham must work together with a mad scientist Walter Bishop and his son Peter Bishop to investigate various aspects of fringe science.
Twin Peaks
Dale Cooper, an eccentric FBI agent, visits Twin Peaks, a quaint little town, to investigate the murder of Laura Palmer, a 17-year-old school girl.
The X-Files
Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.