I Know This Much is True: Season 1

Poster for I Know This Much is True: Season 1

Mark Ruffalo earned an Emmy and Globe for his roles as twin brothers—one is a paranoid schizophrenic, the other trying to... More

Where to watch I Know This Much is True: Season 1

I Know This Much is True: Season 1 is available... More to stream in Australia now on Google TV and Apple TV Store and Foxtel and Binge.

I Know This Much is True: Season 1 episodes

Episode 1.1


After paranoid schizophrenic Thomas Birdsey has a violent public breakdown,... More Dominick Birdsey finds himself stepping up to defend his identical twin brother in unexpected ways.

Episode 1.2


Tensions rise between Dominick Joy as the media takes an... More interest in Thomas's case. In an attempt to have Thomas released from Hatch Forensic Institute, Dominick learns that helping his brother may be more difficult than expected.

Episode 1.3


Sheffer preps Dominick for a pivotal hearing with Hatch's review... More board that could decide Thomas' fate. A chance encounter with an old classmate brings painful childhood memories to the surface.

Episode 1.4


Despite the protestations of those closest to him, Dominick returns... More to work before fully recovering from his accident. Heavily medicated, Dominick recalls the disturbing incident that lead to Thomas's first hospitalization.



Upon learning the details of his Sicilian grandfather's arrival in... More the early 1900s to Three Rivers, Dominick becomes convinced his family is cursed. A startling update on Thomas from an unlikely source prompts Dominick to take drastic action.



A lifetime of animosity between Dominick and Ray spills over... More in public at an inopportune time. After an unexpected tragedy, Dominick seeks reconciliation with those he has hurt.

I Know This Much is True: Season 1 | Details

Award winner
Best Actor (Ruffalo) - Limited Series, Golden Globes 2021; Outstanding Lead Actor (Ruffalo), Emmys 2020
Country of origin

I Know This Much is True: Season 1 | Trailers