Person of Interest: Season 4 Episode 11: If-Then-Else
Starring: Jim Caviezel, Kevin Chapman, Amy Acker, Sarah Shahi, Michael Emerson, Julian Ovenden, Cara Buono, John Nolan
Length: 43 Minutes
On Air Date: 6 Jan 2015
Person of Interest: S04E11 Description: Samaritan launches a cyber-attack on the stock exchange, leaving the team with no choice but to embark on a possible suicide mission in a desperate attempt to stop a global economic catastrophe.