When does Paranormal State return?

Paranormal State is an American paranormal reality television series that premiered on the A&E Network on December 10, 2007. The program follows and stars the Pennsylvania State University Paranormal Research Society, a student-led college club. The show was initially scheduled to debut in May or June 2007, but was pushed back to December 2007 for undisclosed reasons. The series's second season began on July 28, 2008; its third season, on January 19, 2009, and the fourth season on December 15, 2009.