Watch The Mentalist Season 4 Episode 4 online via TV Fanatic with over 5 options to watch the The Mentalist S4E4 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
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On The Mentalist, Jane tries to prove a man carrying a gun at a political rally is planning to commit murder while Lisbon looks into a photographer's death in "Ring Around the Rosie"