S01E23Person of Interest season 1 episode 23: Firewall
Aired 17 May 201243 minRated M
Where to watch Person of Interest Season 1 in Australia
Person of Interest season 1 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 “Firewall”
As the clock ticks down, Reese winds up trapped with his POI in the most heavily surveilled part of the city, forced to rely on the help of Finch, Carter and Fusco to fend off the FBI, corrupt cops and a slew of old foes.
Episode summary: TMDB.
Before you watch
- It is the season finale of season 1, so watch episodes 1 to 22 first.
- It runs about 43 minutes.
- Directed by Richard J. Lewis, written by Jonathan Nolan and Greg Plageman.
- TMDB users rate it 9.1 out of 10 (43 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
- Richard J. Lewis
- Writers
- Jonathan NolanGreg Plageman
- Guest stars
- Paige Turco as Zoe MorganElizabeth Marvel as Alicia CorwinRobert John Burke as Patrick SimmonsBrennan Brown as Nicholas DonnellyAmy Acker as Caroline TuringAnthony DeSando as Hans FriedricksonAaron Lazar as Terrance BaxterWayne Duvall as Seth Larsson
Credits: TMDB.
More from Person of Interest Season 1
Every episode of Season 1Person 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.