 The fourth season introduced new regular character Jesse Porter (Coby Bell), a counterintelligence agent whom Michael unintentionally burns but later makes part of his team.In October 2009, USA Networks announced the renewal of the series for seasons 5 and 6.The show's fifth season, comprising 18 episodes, began airing June 23, 2011, and entered a mid-season break after twelve episodes on September 8, 2011.