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Person of Interest Sneak Peek: Meet 'Professor Harold Whistler'

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Harold Finch will have adopted yet another avian moniker when CBS’ Person of Interest opens Season 4, as seen in this exclusive sneak peek.

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When last we tuned in, Root had arranged for everyone on Team Machine to get new identities, then saw to it that Samaritan did not recognize any of them as “threats.” Thus, as the new seasons opens (Tuesday at 10/9c), they are enjoying a degree of safety and anonymity — though “enjoy” may be too strong a word.

The aliases “absolutely” are holding up, exec producer Greg Plageman told TVLine, “though they may not necessarily be happy about that.” And by they, he means Reese and Shaw.

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Finch meanwhile is doing best he can as a professor of somethingoranother, even earning the batted lashes of a comely co-ed apparently eager to “up” her grade, if need be. Press play for his response.

Want more scoop on POI, or for any other show? Email insideline@tvline.com and your question may be answered via Matt’s Inside Line.