S04E11Person of Interest season 4 episode 11: If-Then-Else
Aired 6 January 201543 minRated M
Where to watch Person of Interest Season 4 in Australia
Person of Interest season 4 is streaming in Australia on Netflix (subscription). You can also buy it on Apple TV from $29.99 and Prime Video Store from $29.99.
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Availability checked 16 November 2026.
What happens in “If-Then-Else”
Samaritan launches a cyber-attack on the stock exchange, forcing the team to risk their lives in a desperate mission to stop a global economic catastrophe.
Episode summary: TMDB.
Before you watch
- It is episode 11 of 22 of season 4, so watch episodes 1 to 10 first.
- It runs about 43 minutes.
- Directed by Chris Fisher, written by Denise Thé.
- TMDB users rate it 8.8 out of 10 (67 votes).
Person of Interest trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Person of Interest trailer
Cast and crew of this episode
- Director
- Chris Fisher
- Writer
- Denise Thé
- Guest stars
- John Nolan as John GreerJulian Ovenden as Jeremy LambertCara Buono as Martine RousseauMark Gessner as GaryChris LaPanta as KennethBrennan Taylor as Investment BankerCharles Techman as Old ManGameela Wright as Single Mom
Credits: TMDB.
More from Person of Interest Season 4
Next · S04E12Control-Alt-Delete13 January 2015Every episode of Season 4Person of Interest episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.