S04E20Person of Interest season 4 episode 20: Terra Incognita
Aired 14 April 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.
We may earn a commission when you sign up through our links. How we make money.
Stream (subscription)
Stream now on NetflixNetflix
Subscription
From $9.99/mth
Buy or rent
Stream now on Apple TVApple TV
Buy
Buy from $29.99 a season
Rent or buy on Prime Video StorePrime Video Store
Buy
Buy from $29.99 a season · Added 2 November 2026
Availability checked 16 November 2026.
What happens in “Terra Incognita”
Reese finds himself on a dangerous personal journey when he takes on a homicide case Detective Carter was never able to close.
Episode summary: TMDB.
Before you watch
- It is episode 20 of 22 of season 4, so watch episodes 1 to 19 first.
- It runs about 43 minutes.
- Directed by Alrick Riley, written by Erik Mountain and Melissa Scrivner-Love.
- TMDB users rate it 7.7 out of 10 (39 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
- Alrick Riley
- Writers
- Erik MountainMelissa Scrivner-Love
- Guest stars
- Taraji P. Henson as Joss CarterAl Sapienza as Raymond TerneyPatch Darragh as GilZachary Booth as Chase PattersonPaul Diomede as JeromeWilliam DeMeo as CarloElena McGhee as HousekeeperJohn Dinello as Clerk
Credits: TMDB.
More from Person of Interest Season 4
Every 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.