Person of Interest

Season 2, Episode 21: Zero Day

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When a virus causes the machine to malfunction, numbers are issued irregularly; the team searches for an extremely elusive tech millionaire.

All Episodes - Season 2

The Contingency
Episode 1
The Contingency
 Bad Code
Episode 2
Bad Code
 Masquerade
Episode 3
Masquerade
 Triggerman
Episode 4
Triggerman
 Bury the Lede
Episode 5
Bury the Lede
 The High Road
Episode 6
The High Road
 Critical
Episode 7
Critical
 Til Death
Episode 8
Til Death
 C.O.D.
Episode 9
C.O.D.
 Shadow Box
Episode 10
Shadow Box
 2πR
Episode 11
2πR
 Prisoner's Dilemma
Episode 12
Prisoner's Dilemma
 Dead Reckoning
Episode 13
Dead Reckoning
 One Percent
Episode 14
One Percent
 Booked Solid
Episode 15
Booked Solid
 Relevance
Episode 16
Relevance
 Proteus
Episode 17
Proteus
 All In
Episode 18
All In
 Trojan Horse
Episode 19
Trojan Horse
 In Extremis
Episode 20
In Extremis
 Zero Day
Episode 21
Zero Day
 God Mode
Episode 22
God Mode
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