Watch The Mentalist Season 4 Episode 20 online

Jane and the CBI try to determine who would have reason to kill a popular English teacher. Meanwhile, Cho and Summer hide their relationship from Lisbon, and Rigsby gets a special delivery.

•  Season 4, Episode 18 : Ruddy Cheeks03/09/2012  
•  Season 4, Episode 19 : Pink Champagne on Ice03/29/2012  
•  Season 4, Episode 20 : Something's Rotten in Redmund04/05/2012  
•  Season 4, Episode 21 : Ruby Slippers04/26/2012  
•  Season 4, Episode 22 : So Long, and Thanks for All the Red Snapper05/03/2012