I Know This Much Is True
The parallel lives of identical twin brothers Dominick and Thomas Birdsey in an epic story of betrayal, sacrifice and forgiveness set against the backdrop of 20th century America.
Ratings
Based on audience scoresWhere to stream I Know This Much Is True
Streaming now in the United States on HBO Max.
Rent or buy in the United States on Amazon Video, Apple TV Store, Google Play Movies, and Fandango At Home.
Trailers and promos
Official Trailer
Official Teaser
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Frequently asked questions about I Know This Much Is True
Where can I watch I Know This Much Is True in the United States?
I Know This Much Is True is available to stream on HBO Max in the United States, and to rent or buy on Amazon Video, Apple TV Store, Google Play Movies, and Fandango At Home. Streaming availability is provided by JustWatch and can change over time.
Is I Know This Much Is True on HBO Max?
Yes. I Know This Much Is True is streaming on HBO Max in the United States.
Can I watch I Know This Much Is True for free?
Not free in the United States right now. I Know This Much Is True needs a subscription to HBO Max, or you can rent or buy it on Amazon Video, Apple TV Store, Google Play Movies, and Fandango At Home.
What are the ratings for I Know This Much Is True?
I Know This Much Is True scores 7.6 on The Movie Database.
Who stars in I Know This Much Is True?
I Know This Much Is True stars Mark Ruffalo, Melissa Leo, Rosie O'Donnell, Archie Panjabi, and Kathryn Hahn. Derek Cianfrance is the creator.
How many seasons of I Know This Much Is True are there?
I Know This Much Is True has 1 season and 6 episodes, and is ended.
How long does it take to watch all of I Know This Much Is True?
All 6 episodes of I Know This Much Is True add up to about 6 hours at roughly 60 minutes each. At two hours a night that is about 3 evenings; at four hours a day it takes about 2 days.
What network is I Know This Much Is True on?
I Know This Much Is True airs on HBO, and is produced by FilmNation Entertainment, Hunting Lane Films, and Willi Hill.
What languages is I Know This Much Is True in?
I Know This Much Is True is in English and Italian, and its original language is English.
Ratings and streaming availability are aggregated from third-party sources; metadata from The Movie Database (TMDB), streaming data from JustWatch. This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability checked September 2026.