Complex sentence: The series debuted as a summer test run on June 11,2012, on six stations owned by Fox Television Stations, and premiered nationwide across the United States and Canada starting on September 9,2013.
Split into simpler sentences: The series debuted as a summer test run on June 11,2012 on six stations owned by Fox Television Stations. It premiered nationwide across the United States and Canada starting on September 9,2013.