![I just 爱情 that grin, don't you? I just 爱情 that grin, don't you?](http://images2.fanpop.com/image/articles/50000/the-mentalist_50048_top.jpg?cache=1269535857)
I just love that grin, don't you?
![](http://images5.fanpop.com/image/articles/147000/the-mentalist_147577_top.jpg?cache=1330014413)
Episode 4.20 is called "Something's Rotten in Redmund."
Things head back to school in this episode, as a play of Hamlet descends into real life tragedy.
Could a young prostitute, a school gossip, a chubby teen 或者 the school principal have some connection to the shocking events? You'll have to tune in to find out!
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Source: SpoilerTV