CBS has renewed The Mentalist for another season
http://tvline.com/2014/05/10/the-mentalist-renewed-season-7/
http://insidetv.ew.com/2014/05/10/mentalist-renewed-canceled/
Update: "CBS does not specify the size of the order but I hear it is likely for a 13-episode seventh and final season."
http://www.deadline.com/2014/05/mentalist-renewed-seventh-season-last-cbs/
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