Season 1
2009 | 5 Episodes
Country: United States
Type: scripted
Status: Ended
Language: English
Release Date: May 15, 2009
Also Known As: Strikeforce Challengers, Strikeforce Challengers 1
Production Co: Showtime Networks, Strikeforce
2009 | 5 Episodes
2010 | 7 Episodes
2011 | 8 Episodes