Person of Interest: Watch Season 3 Episode 18 Online

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What would you do to save the one you loved?

On Person of Interest Season 3 Episode 18, the POI team tries to figure out why Maria Martinez's love is being set up and labeled a terrorist. That means fighting off French Legionnaires, calling in Fusco for backup and unraveling the political corruption involved.

Just another day for Reese, Shaw and Finch, right?

As for Root, she's hot on the trail of Decima, but getting to Greer is going to be a little more complicated than she expects. Can she still manage to prevent Samaritan from going online?

Find out the truth in the latest installment when you watch Person of Interest online now.

Sean McKenna was a TV Fanatic Staff Writer. He retired in May of 2017. Follow him on Twitter.


Person of Interest Season 3 Episode 18 Quotes

What's our ETA on Captain America?


The Machine has alerted me that our elusive adversary is back in town; eliminating him might be our last opportunity at stopping Samaritan.