Paranormal Witness premiered on September 7, 2011, on Syfy in the U.S. It is also shown in the UK on Really, W, and Pick. It was renewed for a 12-episode second season which premiered on August 8, 2012, and a 20-episode third season was renewed on June 5, 2013. On October 29, 2014, Syfy renewed the series for a 13-episode fourth season under the new title "Paranormal Witness: True Terror"